(1) 0.09 + 0.14 = (2) 0.06 + 0.01 =
(3) 0.8 + 1.4 = (4) 0.3 + 0.4 =
(5) 0.3 + 0.6 = (6) 0.3 + 0.3 =
(7) 0.17 + 0.04 = (8) 0.1 + 0.8 =
(1) 0.09 + 0.14 =
0
.
23
(2) 0.06 + 0.01 =0
.
07
(3) 0.8 + 1.4 =
2
.
2
(4) 0.3 + 0.4 =0
.
7
(5) 0.3 + 0.6 =
0
.
9
(6) 0.3 + 0.3 =0
.
6
(7) 0.17 + 0.04 =
0
.
21
(8) 0.1 + 0.8 =0
.
9
(1) 0
.2 + 1.8 = (2) 1.7 + 0.3 = (3) 0.4 + 0.6 =
(4) 0.6 + 0.3 = (5) 0.1 + 0.01 = (6) 0.4 + 0.7 =
(7) 0.19 + 0.07 = (8) 0.17 + 0.05 = (9) 0.9 + 0.2 =
(10) 0.04 + 0.18 = (11) 0.03 + 0.16 = (12) 0.16 + 0.05 =
(13) 1
.2 + 0.5 = (14) 0.08 + 0.05 = (15) 1.2 + 0.7 =
(16) 0.8 + 1.8 = (17) 0.01 + 0.03 = (18) 1.1 + 0.3 =
(1) 0.2 + 1.8 =
2
(2) 1.7 + 0.3 =2
(3) 0.4 + 0.6 =1
(4) 0.6 + 0.3 =
0
.
9
(5) 0.1 + 0.01 =0
.
11
(6) 0.4 + 0.7 =1
.
1
(7) 0.19 + 0.07 =
0
.
26
(8) 0.17 + 0.05 =0
.
22
(9) 0.9 + 0.2 =1
.
1
(10) 0
.04 + 0.18 =
0
.
22
(11) 0.03 + 0.16 =0
.
19
(12) 0.16 + 0.05 =0
.
21
(13) 1.2 + 0.5 =
1
.
7
(14) 0.08 + 0.05 =0
.
13
(15) 1.2 + 0.7 =1
.
9
(16) 0.8 + 1.8 =
2
.
6
(17) 0.01 + 0.03 =0
.
04
(18) 1.1 + 0.3 =1
.
4
(1) 0.1 + 1 = (2) 0.09 + 0.09 = (3) 0.01 + 0.16 =
(4) 0.1 + 0.6 = (5) 0.11 + 0.01 = (6) 1.9 + 0.8 =
(7) 0
.09 + 0.1 = (8) 1.9 + 0.7 = (9) 0.1 + 0.8 =
(10) 0.07 + 0.06 = (11) 0.09 + 0.11 = (12) 0.15 + 0.04 =
(13) 0.01 + 0.11 = (14) 0.08 + 0.07 = (15) 0.3 + 0.5 =
(16) 0
.15 + 0.02 = (17) 0.07 + 0.1 = (18) 0.04 + 0.1 =
(19) 0.2 + 0.9 = (20) 0.08 + 0.03 = (21) 0.18 + 0.06 =
(22) 0.1 + 0.7 = (23) 1.9 + 0.2 = (24) 1.3 + 0.8 =
(25) 0
(1) 0.1 + 1 =
1
.
1
(2) 0.09 + 0.09 =0
.
18
(3) 0.01 + 0.16 =0
.
17
(4) 0.1 + 0.6 =
0
.
7
(5) 0.11 + 0.01 =0
.
12
(6) 1.9 + 0.8 =2
.
7
(7) 0.09 + 0.1 =
0
.
19
(8) 1.9 + 0.7 =2
.
6
(9) 0.1 + 0.8 =0
.
9
(10) 0.07 + 0.06 =
0
.
13
(11) 0.09 + 0.11 =0
.
2
(12) 0.15 + 0.04 =0
.
19
(13) 0.01 + 0.11 =
0
.
12
(14) 0.08 + 0.07 =0
.
15
(15) 0.3 + 0.5 =0
.
8
(16) 0.15 + 0.02 =
0
.
17
(17) 0.07 + 0.1 =0
.
17
(18) 0.04 + 0.1 =0
.
14
(19) 0.2 + 0.9 =
1
.
1
(20) 0.08 + 0.03 =0
.
11
(21) 0.18 + 0.06 =0
.
24
(22) 0
.1 + 0.7 =
0
.
8
(23) 1.9 + 0.2 =2
.
1
(24) 1.3 + 0.8 =2
.
1
(1) 0.24 + 0.96 = (2) 4.2 + 7.7 =
(3) 0.28 + 0.25 = (4) 0.47 + 0.55 =
(5) 0.91 + 0.29 = (6) 8.2 + 9.9 =
(7) 0.26 + 0.84 = (8) 0.24 + 0.27 =
(1) 0.24 + 0.96 =
1
.
2
(2) 4.2 + 7.7 =11
.
9
(3) 0.28 + 0.25 =
0
.
53
(4) 0.47 + 0.55 =1
.
02
(5) 0.91 + 0.29 =
1
.
2
(6) 8.2 + 9.9 =18
.
1
(7) 0.26 + 0.84 =
1
.
1
(8) 0.24 + 0.27 =0
.
51
(1) 0
.19 + 0.45 = (2) 0.18 + 0.54 = (3) 0.29 + 0.98 =
(4) 0.95 + 0.78 = (5) 1.5 + 9.6 = (6) 0.14 + 0.06 =
(7) 0.67 + 0.05 = (8) 7.3 + 9.8 = (9) 8.1 + 8.2 =
(10) 0.17 + 0.31 = (11) 8.2 + 1.8 = (12) 9.8 + 1.7 =
(13) 7
.9 + 5.6 = (14) 0.95 + 0.63 = (15) 0.62 + 0.89 =
(16) 0.85 + 0.86 = (17) 0.68 + 0.81 = (18) 0.3 + 6.7 =
(1) 0.19 + 0.45 =
0
.
64
(2) 0.18 + 0.54 =0
.
72
(3) 0.29 + 0.98 =1
.
27
(4) 0.95 + 0.78 =
1
.
73
(5) 1.5 + 9.6 =11
.
1
(6) 0.14 + 0.06 =0
.
2
(7) 0.67 + 0.05 =
0
.
72
(8) 7.3 + 9.8 =17
.
1
(9) 8.1 + 8.2 =16
.
3
(10) 0
.17 + 0.31 =
0
.
48
(11) 8.2 + 1.8 =10
(12) 9.8 + 1.7 =11
.
5
(13) 7.9 + 5.6 =
13
.
5
(14) 0.95 + 0.63 =1
.
58
(15) 0.62 + 0.89 =1
.
51
(16) 0.85 + 0.86 =
1
.
71
(17) 0.68 + 0.81 =1
.
49
(18) 0.3 + 6.7 =7
(1) 0.56 + 0.19 = (2) 0.97 + 0.49 = (3) 0.89 + 0.83 =
(4) 0.9 + 9.5 = (5) 5.9 + 7.8 = (6) 0.98 + 0.35 =
(7) 3
.2 + 9.7 = (8) 2.1 + 9.2 = (9) 0.02 + 0.57 =
(10) 0.53 + 0.38 = (11) 0.12 + 0.82 = (12) 0.05 + 0.77 =
(13) 4.2 + 6.3 = (14) 0.84 + 0.43 = (15) 1.7 + 6 =
(16) 0
.99 + 0.12 = (17) 7.1 + 4.9 = (18) 0.11 + 0.13 =
(19) 0.02 + 0.29 = (20) 2.8 + 0.3 = (21) 0.37 + 0.11 =
(22) 0.13 + 0.27 = (23) 8.5 + 9.6 = (24) 6.4 + 1.7 =
(25) 1
(1) 0.56 + 0.19 =
0
.
75
(2) 0.97 + 0.49 =1
.
46
(3) 0.89 + 0.83 =1
.
72
(4) 0.9 + 9.5 =
10
.
4
(5) 5.9 + 7.8 =13
.
7
(6) 0.98 + 0.35 =1
.
33
(7) 3.2 + 9.7 =
12
.
9
(8) 2.1 + 9.2 =11
.
3
(9) 0.02 + 0.57 =0
.
59
(10) 0.53 + 0.38 =
0
.
91
(11) 0.12 + 0.82 =0
.
94
(12) 0.05 + 0.77 =0
.
82
(13) 4.2 + 6.3 =
10
.
5
(14) 0.84 + 0.43 =1
.
27
(15) 1.7 + 6 =7
.
7
(16) 0.99 + 0.12 =
1
.
11
(17) 7.1 + 4.9 =12
(18) 0.11 + 0.13 =0
.
24
(19) 0.02 + 0.29 =
0
.
31
(20) 2.8 + 0.3 =3
.
1
(21) 0.37 + 0.11 =0
.
48
(22) 0
.13 + 0.27 =
0
.
4
(23) 8.5 + 9.6 =18
.
1
(24) 6.4 + 1.7 =8
.
1
(1) 6.5 + 4.4 = (2) 6.3 + 6.7 =
(3) 0.57 + 0.87 = (4) 2.8 + 0.8 =
(1) 6
.5 + 4.4 =
10
.
9
(2) 6.3 + 6.7 =13
(3) 0
.57 + 0.87 =
1
.
44
(4) 2.8 + 0.8 =3
.
6
(5) 0
(1)
7 . 3
+ 6 . 5 (2)
0 . 9 2 + 0 . 1 4
(3)
4 . 7
+ 7 . 1 (4)
3 . 6 + 0 . 9
(5)
6 . 7
+ 7 . 7 (6)
0 . 6 + 4 . 2
(7)
5 . 9
+ 2 . 1 (8)
0 . 9 2 + 0 . 8 2
(9) + 0 . 5 50 . 5 5 (10)
(1)
7 . 3 + 6 . 5
13
.
8
(2)
0 . 9 2 + 0 . 1 4
1
.
06
(3)
4 . 7 + 7 . 1
11
.
8
(4)
3 . 6 + 0 . 9
4
.
5
(5)
6 . 7 + 7 . 7
14
.
4
(6)
0 . 6 + 4 . 2
4
.
8
(7)
5 . 9 + 2 . 1
8
(8)
0 . 9 2 + 0 . 8 2
1
.
74
(9) + 0 . 5 50 . 5 5
1
.
1
(10) + 0 . 3 90 . 3 4
0
(1) + 1 . 88 . 4 (2)
0 . 3 6
+ 0 . 6 9 (3)
0 . 4 8 + 0 . 7 9
(4)
0 . 9 2
+ 0 . 8 9 (5)
0 . 5 8
+ 0 . 5 4 (6)
0 . 8 3 + 0 . 8 1
(7)
0 . 9 7
+ 0 . 0 9 (8)
0 . 1 5
+ 0 . 2 9 (9)
0 . 8 5 + 0 . 6
(10)
0 . 1 3
+ 0 . 9 1 (11)
0 . 4
+ 0 . 5 2 (12)
0 . 1 4 + 0 . 7 8
(13)
0 . 8 5
+ 0 . 5 6 (14)
0 . 6 2
+ 0 . 3 3 (15)
9 . 4 + 2 . 8
(16) + 0 . 2 60 . 8 5 (17)
0 . 9 9
+ 0 . 7 3 (18)
7 . 2 + 5 . 5
(19)
0 . 9
+ 0 . 9 1 (20)
(1) + 1 . 88 . 4
10
.
2
(2) + 0 . 3 60 . 6 9
1
.
05
(3) + 0 . 4 80 . 7 9
1
.
27
(4)
0 . 9 2 + 0 . 8 9
1
.
81
(5)
0 . 5 8 + 0 . 5 4
1
.
12
(6)
0 . 8 3 + 0 . 8 1
1
.
64
(7)
0 . 9 7 + 0 . 0 9
1
.
06
(8)
0 . 1 5 + 0 . 2 9
0
.
44
(9)
0 . 8 5 + 0 . 6
1
.
45
(10)
0 . 1 3 + 0 . 9 1
1
.
04
(11)
0 . 4 + 0 . 5 2
0
.
92
(12)
0 . 1 4 + 0 . 7 8
0
.
92
(13)
0 . 8 5 + 0 . 5 6
1
.
41
(14)
0 . 6 2 + 0 . 3 3
0
.
95
(15)
9 . 4 + 2 . 8
12
.
2
(16) + 0 . 2 60 . 8 5
1
.
11
(17) + 0 . 9 90 . 7 3
1
.
72
(18) + 7 . 25 . 5
12
.
7
(19)
0 . 9 + 0 . 9 1
1
.
81
(20)
0 . 6 2 + 0 . 3 8
(1) 4.13 + 1.93 = (2) 6.45 + 4.48 =
(3) 75.2 + 52.3 = (4) 4.75 + 6.24 =
(5) 2.21 + 5.33 = (6) 70.7 + 40.6 =
(7) 93.2 + 21.2 = (8) 5.38 + 1.8 =
(1) 4.13 + 1.93 =
6
.
06
(2) 6.45 + 4.48 =10
.
93
(3) 75.2 + 52.3 =
127
.
5
(4) 4.75 + 6.24 =10
.
99
(5) 2.21 + 5.33 =
7
.
54
(6) 70.7 + 40.6 =111
.
3
(7) 93.2 + 21.2 =
114
.
4
(8) 5.38 + 1.8 =7
.
18
(1) 4
.53 + 6.4 = (2) 4.09 + 5.8 = (3) 4.4 + 95.2 =
(4) 9.39 + 9.48 = (5) 2.91 + 2.46 = (6) 4.35 + 1.46 =
(7) 8.47 + 4.41 = (8) 58.4 + 74.6 = (9) 66.6 + 11.7 =
(10) 48.9 + 35.6 = (11) 17.3 + 90.9 = (12) 96.2 + 23.9 =
(13) 60 + 44
.4 = (14) 38 + 87.8 = (15) 8.09 + 7.52 =
(16) 1.94 + 6.71 = (17) 1.76 + 7.97 = (18) 3.45 + 8.56 =
(1) 4.53 + 6.4 =
10
.
93
(2) 4.09 + 5.8 =9
.
89
(3) 4.4 + 95.2 =99
.
6
(4) 9.39 + 9.48 =
18
.
87
(5) 2.91 + 2.46 =5
.
37
(6) 4.35 + 1.46 =5
.
81
(7) 8.47 + 4.41 =
12
.
88
(8) 58.4 + 74.6 =133
(9) 66.6 + 11.7 =78
.
3
(10) 48
.9 + 35.6 =
84
.
5
(11) 17.3 + 90.9 =108
.
2
(12) 96.2 + 23.9 =120
.
1
(13) 60 + 44.4 =
104
.
4
(14) 38 + 87.8 =125
.
8
(15) 8.09 + 7.52 =15
.
61
(16) 1.94 + 6.71 =
8
.
65
(17) 1.76 + 7.97 =9
.
73
(18) 3.45 + 8.56 =12
.
01
(1) 91.7 + 66.9 = (2) 9.83 + 3.93 =
(3) 30.5 + 31.3 = (4) 59.4 + 20.7 =
(1) 91
.7 + 66.9 =
158
.
6
(2) 9.83 + 3.93 =13
.
76
(3) 30
.5 + 31.3 =
61
.
8
(4) 59.4 + 20.7 =80
.
1
(5) 15
(1)
2 1 . 1
+ 7 8 . 9 (2)
1 . 2 7 + 3 . 9 9
(3)
6 . 3 2
+ 1 . 2 5 (4)
9 . 3 2 + 4 . 7 2
(5)
7 . 8 1
+ 2 . 8 3 (6)
9 5 . 9 + 2 1 . 3
(7)
6 . 1 6
+ 9 . 9 3 (8)
9 8 . 5 + 8 8 . 2
(9) + 3 . 6 95 . 6 2 (10)
(1)
2 1 . 1 + 7 8 . 9
100
(2)
1 . 2 7 + 3 . 9 9
5
.
26
(3)
6 . 3 2 + 1 . 2 5
7
.
57
(4)
9 . 3 2 + 4 . 7 2
14
.
04
(5)
7 . 8 1 + 2 . 8 3
10
.
64
(6)
9 5 . 9 + 2 1 . 3
117
.
2
(7)
6 . 1 6 + 9 . 9 3
16
.
09
(8)
9 8 . 5 + 8 8 . 2
186
.
7
(9) + 3 . 6 95 . 6 2
9
.
31
(10) + 8 . 2 34 . 0 9
12
(1) + 2 0 . 92 1 . 3 (2)
7 . 5 4
+ 3 . 5 6 (3)
2 1 . 1 + 1 9 . 5
(4)
7 . 8 4
+ 4 . 5 7 (5)
7 . 6 2
+ 2 . 0 3 (6)
3 5 . 3 + 4 6 . 4
(7)
4 . 2 2
+ 6 . 0 8 (8)
4 . 7 2
+ 5 . 3 9 (9)
8 1 . 8 + 9 8 . 3
(10)
9 . 4 2
+ 7 . 1 9 (11)
7 . 5 7
+ 8 . 6 8 (12)
2 . 7 4 + 1 . 3 4
(13)
1 7 . 8
+ 8 2 . 8 (14)
1 5 . 5
+ 4 . 4 (15)
2 1 . 3 + 2 6 . 5
(16) + 8 . 2 38 . 2 5 (17)
6 3 . 5
+ 3 1 . 1 (18)
1 9 . 1 + 9 8 . 6
(19)
0 . 6 3
+ 1 . 1 4 (20)
(1) + 2 0 . 92 1 . 3
42
.
2
(2) + 7 . 5 43 . 5 6
11
.
1
(3) + 2 1 . 11 9 . 5
40
.
6
(4)
7 . 8 4 + 4 . 5 7
12
.
41
(5)
7 . 6 2 + 2 . 0 3
9
.
65
(6)
3 5 . 3 + 4 6 . 4
81
.
7
(7)
4 . 2 2 + 6 . 0 8
10
.
3
(8)
4 . 7 2 + 5 . 3 9
10
.
11
(9)
8 1 . 8 + 9 8 . 3
180
.
1
(10)
9 . 4 2 + 7 . 1 9
16
.
61
(11)
7 . 5 7 + 8 . 6 8
16
.
25
(12)
2 . 7 4 + 1 . 3 4
4
.
08
(13)
1 7 . 8 + 8 2 . 8
100
.
6
(14)
1 5 . 5 + 4 . 4
19
.
9
(15)
2 1 . 3 + 2 6 . 5
47
.
8
(16) + 8 . 2 38 . 2 5
16
.
48
(17) + 6 3 . 53 1 . 1
94
.
6
(18) + 1 9 . 19 8 . 6
117
.
7
(19)
0 . 6 3 + 1 . 1 4
1
.
77
(20)
1 6 . 1 + 2 7 . 2
(1)
1 . 1 5
+ 8 . 2 9 (2)
4 . 3 5 + 2 . 9 4
(3)
5 . 7 3
+ 0 . 5 8 (4)
2 0 . 1 + 1 5 . 3
(5)
(1)
1 . 1 5 + 8 . 2 9
9
.
44
(2)
4 . 3 5 + 2 . 9 4
7
.
29
(3)
5 . 7 3 + 0 . 5 8
6
.
31
(4)
2 0 . 1 + 1 5 . 3
35
.
4
(5)
1 . 5 5 + 6 . 1 5
(1) 416 + 895.8 = (2) 0.808 + 6.471 =
(3) 332.2 + 582.4 = (4) 212.9 + 898.4 =
(5) 247.9 + 383.5 = (6) 39.73 + 85.77 =
(7) 47.47 + 93.24 = (8) 212.6 + 784.5 =
(1) 416 + 895.8 =
1311
.
8
(2) 0.808 + 6.471 =7
.
279
(3) 332.2 + 582.4 =
914
.
6
(4) 212.9 + 898.4 =1111
.
3
(5) 247.9 + 383.5 =
631
.
4
(6) 39.73 + 85.77 =125
.
5
(7) 47.47 + 93.24 =
140
.
71
(8) 212.6 + 784.5 =997
.
1
(1) 742
.7 + 463.2 = (2) 21.96 + 92.94 = (3) 572.3 + 972.8 =
(4) 84.26 + 33.32 = (5) 8.404 + 1.886 = (6) 1.335 + 0.033 =
(7) 2.607 + 6.857 = (8) 9.213 + 7.045 = (9) 283.2 + 120.2 =
(10) 118.3 + 349.9 = (11) 37.75 + 53.52 = (12) 74.26 + 24.94 =
(13) 25
.49 + 42.32 = (14) 69.28 + 41.44 = (15) 945.1 + 687.7 =
(16) 945.3 + 858.5 = (17) 224.5 + 34.6 = (18) 608.6 + 27.7 =
(1) 742.7 + 463.2 =
1205
.
9
(2) 21.96 + 92.94 =114
.
9
(3) 572.3 + 972.8 =1545
.
1
(4) 84.26 + 33.32 =
117
.
58
(5) 8.404 + 1.886 =10
.
29
(6) 1.335 + 0.033 =1
.
368
(7) 2.607 + 6.857 =
9
.
464
(8) 9.213 + 7.045 =16
.
258
(9) 283.2 + 120.2 =403
.
4
(10) 118
.3 + 349.9 =
468
.
2
(11) 37.75 + 53.52 =91
.
27
(12) 74.26 + 24.94 =99
.
2
(13) 25.49 + 42.32 =
67
.
81
(14) 69.28 + 41.44 =110
.
72
(15) 945.1 + 687.7 =1632
.
8
(16) 945.3 + 858.5 =
1803
.
8
(17) 224.5 + 34.6 =259
.
1
(18) 608.6 + 27.7 =636
.
3
(1) 8.103 + 5.784 = (2) 35.92 + 83.34 =
(3) 234.8 + 616 = (4) 964.9 + 296.5 =
(1) 8
.103 + 5.784 =
13
.
887
(2) 35.92 + 83.34 =119
.
26
(3) 234
.8 + 616 =
850
.
8
(4) 964.9 + 296.5 =1261
.
4
(5) 2
(1)
3 . 5 9 4
+ 1 . 7 8 8 (2)
7 . 8 2 5
+ 1 . 8 1 6
(3)
5 5 . 4 5
+ 6 8 . 7 7 (4)
3 . 9 4 6
+ 8 . 3 1 2
(5)
3 . 0 8 9
+ 1 . 1 1 7 (6)
8 . 9 8 3
+ 3 . 9 6 5
(7)
8 6 . 8 5
+ 1 9 . 9 8 (8)
4 3 6 . 5
+ 5 8 6 . 5
(9) + 4 . 2 3 23 . 2 0 1 (10)
2 3 . 1
(1)
3 . 5 9 4
+ 1 . 7 8 8
5
.
382
(2)
7 . 8 2 5
+ 1 . 8 1 6
9
.
641
(3)
5 5 . 4 5
+ 6 8 . 7 7
124
.
22
(4)
3 . 9 4 6
+ 8 . 3 1 2
12
.
258
(5)
3 . 0 8 9
+ 1 . 1 1 7
4
.
206
(6)
8 . 9 8 3
+ 3 . 9 6 5
12
.
948
(7)
8 6 . 8 5
+ 1 9 . 9 8
106
.
83
(8)
4 3 6 . 5
+ 5 8 6 . 5
1023
(9) + 4 . 2 3 23 . 2 0 1
7
.
433
(10) + 2 3 . 16 2 . 1 7
85
(1) + 2 1 2 . 42 1 3 . 4 (2)
1 2 2 . 7
+ 3 5 3 . 7 (3)
4 8 3 . 3
+ 7 5 3 . 2
(4)
5 . 6 7 9
+ 1 . 4 3 5 (5)
9 6 6 . 8
+ 3 6 4 . 1 (6)
2 2 . 1 5
+ 1 8 . 5 8
(7)
6 4 6 . 3
+ 3 1 3 . 2 (8)
5 . 3 1 8
+ 3 . 6 8 2 (9)
9 . 1 7 5
+ 1 . 4 7 9
(10)
3 2 8 . 8
+ 5 5 8 . 8 (11)
6 . 6 1 4
+ 0 . 6 3 5 (12)
0 . 3 2 1
+ 2 . 3 9 7
(13)
8 . 3 1 4
+ 8 . 8 2 6 (14)
5 2 3 . 2
+ 7 5 8 . 4 (15)
7 . 2 8 8
+ 9 . 1 0 4
(16) + 2 . 6 8 17 . 8 5 4 (17)
7 5 . 8
+ 6 5 9 . 1 (18)
7 4 . 5 9
+ 5 5 . 1 2
(19)
5 9 . 5 2
+ 6 7 . 8 9 (20)
2 5 . 9
(1) + 2 1 2 . 42 1 3 . 4
425
.
8
(2) + 1 2 2 . 73 5 3 . 7
476
.
4
(3) + 4 8 3 . 37 5 3 . 2
1236
.
5
(4)
5 . 6 7 9
+ 1 . 4 3 5
7
.
114
(5)
9 6 6 . 8
+ 3 6 4 . 1
1330
.
9
(6)
2 2 . 1 5
+ 1 8 . 5 8
40
.
73
(7)
6 4 6 . 3
+ 3 1 3 . 2
959
.
5
(8)
5 . 3 1 8
+ 3 . 6 8 2
9
(9)
9 . 1 7 5
+ 1 . 4 7 9
10
.
654
(10)
3 2 8 . 8
+ 5 5 8 . 8
887
.
6
(11)
6 . 6 1 4
+ 0 . 6 3 5
7
.
249
(12)
0 . 3 2 1
+ 2 . 3 9 7
2
.
718
(13)
8 . 3 1 4
+ 8 . 8 2 6
17
.
14
(14)
5 2 3 . 2
+ 7 5 8 . 4
1281
.
6
(15)
7 . 2 8 8
+ 9 . 1 0 4
16
.
392
(16) + 2 . 6 8 17 . 8 5 4
10
.
535
(17) + 6 5 9 . 17 5 . 8
734
.
9
(18) + 7 4 . 5 95 5 . 1 2
129
.
71
(19)
5 9 . 5 2
+ 6 7 . 8 9
127
.
41
(20)
2 5 . 9
+ 3 6 9 . 6
(1)
2 . 6 6 7
+ 1 . 3 9 3 (2)
5 1 0 . 3
+ 7 4 4 . 4
(3)
5 9 . 8 6
+ 7 1 . 6 2 (4)
2 . 6 2 5
+ 5 . 2 9
(5)
6 7 2
(1)
2 . 6 6 7
+ 1 . 3 9 3
4
.
06
(2)
5 1 0 . 3
+ 7 4 4 . 4
1254
.
7
(3)
5 9 . 8 6
+ 7 1 . 6 2
131
.
48
(4)
2 . 6 2 5
+ 5 . 2 9
7
.
915
(5)
6 7 2
+ 3 0 1 . 3
973
(1) 0
.12−0.09 = (2) 0.27−0.18 =
(3) 0
.18−0.07 = (4) 0.3−0.1 =
(5) 1
.7−1.3 = (6) 0.14−0.04 =
(7) 0
.03−0.02 = (8) 0.06−0.04 =
(9) 0
(1) 0
.12−0.09 =
0
.
03
(2) 0.27−0.18 =0
.
09
(3) 0
.18−0.07 =
0
.
11
(4) 0.3−0.1 =0
.
2
(5) 1
.7−1.3 =
0
.
4
(6) 0.14−0.04 =0
.
1
(7) 0
.03−0.02 =
0
.
01
(8) 0.06−0.04 =0
.
02
(9) 0
(1) 1
.2−0.7 = (2) 0.15−0.02 = (3) 1.1−1 =
(4) 2
.2−1.5 = (5) 1.8−1.5 = (6) 0.15−0.07 =
(7) 2
.5−0.7 = (8) 0.1−0.02 = (9) 2.2−1.6 =
(10) 0
.1−0.09 = (11) 0.14−0.12 = (12) 0.26−0.09 =
(13) 2
.2−0.3 = (14) 0.2−0.19 = (15) 1.7−1.5 =
(16) 0
.17−0.02 = (17) 0.05−0.04 = (18) 1.4−0.4 =
(19) 0
(1) 1
.2−0.7 =
0
.
5
(2) 0.15−0.02 =0
.
13
(3) 1.1−1 =0
.
1
(4) 2
.2−1.5 =
0
.
7
(5) 1.8−1.5 =0
.
3
(6) 0.15−0.07 =0
.
08
(7) 2
.5−0.7 =
1
.
8
(8) 0.1−0.02 =0
.
08
(9) 2.2−1.6 =0
.
6
(10) 0
.1−0.09 =
0
.
01
(11) 0.14−0.12 =0
.
02
(12) 0.26−0.09 =0
.
17
(13) 2
.2−0.3 =
1
.
9
(14) 0.2−0.19 =0
.
01
(15) 1.7−1.5 =0
.
2
(16) 0
.17−0.02 =
0
.
15
(17) 0.05−0.04 =0
.
01
(18) 1.4−0.4 =1
(19) 0
(1) 0
.09−0.03 = (2) 0.12−0.08 = (3) 0.25−0.18 =
(4) 1
.9−0.5 = (5) 0.8−0.2 = (6) 0.25−0.09 =
(7) 0
.08−0.03 = (8) 1.7−0.4 = (9) 0.17−0.08 =
(10) 2
.2−1.8 = (11) 0.12−0.07 = (12) 0.27−0.09 =
(13) 2
.3−0.8 = (14) 2.2−0.9 = (15) 0.19−0.1 =
(16) 0
.6−0.5 = (17) 1.2−0.8 = (18) 2.1−1.3 =
(19) 0
.9−0.1 = (20) 1.3−0.8 = (21) 0.25−0.08 =
(22) 1
.3−1 = (23) 1.6−0.8 = (24) 0.21−0.12 =
(25) 0
(1) 0
.09−0.03 =
0
.
06
(2) 0.12−0.08 =0
.
04
(3) 0.25−0.18 =0
.
07
(4) 1
.9−0.5 =
1
.
4
(5) 0.8−0.2 =0
.
6
(6) 0.25−0.09 =0
.
16
(7) 0
.08−0.03 =
0
.
05
(8) 1.7−0.4 =1
.
3
(9) 0.17−0.08 =0
.
09
(10) 2
.2−1.8 =
0
.
4
(11) 0.12−0.07 =0
.
05
(12) 0.27−0.09 =0
.
18
(13) 2
.3−0.8 =
1
.
5
(14) 2.2−0.9 =1
.
3
(15) 0.19−0.1 =0
.
09
(16) 0
.6−0.5 =
0
.
1
(17) 1.2−0.8 =0
.
4
(18) 2.1−1.3 =0
.
8
(19) 0
.9−0.1 =
0
.
8
(20) 1.3−0.8 =0
.
5
(21) 0.25−0.08 =0
.
17
(22) 1
.3−1 =
0
.
3
(23) 1.6−0.8 =0
.
8
(24) 0.21−0.12 =0
.
09
(25) 0
(1) 1
.17−0.34 = (2) 8.2−6.3 =
(3) 16
.1−7 = (4) 1.1−0.55 =
(5) 8
.3−4.5 = (6) 1.03−0.97 =
(7) 0
.98−0.76 = (8) 1.92−0.98 =
(9) 0
(1) 1
.17−0.34 =
0
.
83
(2) 8.2−6.3 =1
.
9
(3) 16
.1−7 =
9
.
1
(4) 1.1−0.55 =0
.
55
(5) 8
.3−4.5 =
3
.
8
(6) 1.03−0.97 =0
.
06
(7) 0
.98−0.76 =
0
.
22
(8) 1.92−0.98 =0
.
94
(9) 0
(1) 0
.62−0.54 = (2) 15.8−8.7 = (3) 4.1−0.6 =
(4) 1
.38−0.55 = (5) 1.09−0.23 = (6) 1.1−0.64 =
(7) 16−7
.2 = (8) 1.07−0.26 = (9) 1.14−0.74 =
(10) 1
.56−0.85 = (11) 0.88−0.83 = (12) 12.8−4.4 =
(13) 0
.54−0.41 = (14) 1.09−0.39 = (15) 1.85−0.99 =
(16) 11
.2−5.9 = (17) 1.17−0.82 = (18) 0.98−0.63 =
(19) 12
(1) 0
.62−0.54 =
0
.
08
(2) 15.8−8.7 =7
.
1
(3) 4.1−0.6 =3
.
5
(4) 1
.38−0.55 =
0
.
83
(5) 1.09−0.23 =0
.
86
(6) 1.1−0.64 =0
.
46
(7) 16−7
.2 =
8
.
8
(8) 1.07−0.26 =0
.
81
(9) 1.14−0.74 =0
.
4
(10) 1
.56−0.85 =
0
.
71
(11) 0.88−0.83 =0
.
05
(12) 12.8−4.4 =8
.
4
(13) 0
.54−0.41 =
0
.
13
(14) 1.09−0.39 =0
.
7
(15) 1.85−0.99 =0
.
86
(16) 11
.2−5.9 =
5
.
3
(17) 1.17−0.82 =0
.
35
(18) 0.98−0.63 =0
.
35
(19) 12
(1) 6
.8−1.5 = (2) 11.4−5.2 = (3) 11−4.6 =
(4) 0
.74−0.53 = (5) 9.4−6.5 = (6) 9.8−5.4 =
(7) 13
.3−7.5 = (8) 12−5.5 = (9) 6.8−3.2 =
(10) 5
.3−3.7 = (11) 16.9−8.6 = (12) 1.2−0.26 =
(13) 0
.83−0.27 = (14) 10.2−6.2 = (15) 0.77−0.22 =
(16) 0
.95−0.38 = (17) 1.48−0.92 = (18) 1.11−0.18 =
(19) 10
.6−9.4 = (20) 0.48−0.1 = (21) 0.51−0.27 =
(22) 1
.29−0.74 = (23) 6.6−1.4 = (24) 0.39−0.37 =
(25) 1
(1) 6
.8−1.5 =
5
.
3
(2) 11.4−5.2 =6
.
2
(3) 11−4.6 =6
.
4
(4) 0
.74−0.53 =
0
.
21
(5) 9.4−6.5 =2
.
9
(6) 9.8−5.4 =4
.
4
(7) 13
.3−7.5 =
5
.
8
(8) 12−5.5 =6
.
5
(9) 6.8−3.2 =3
.
6
(10) 5
.3−3.7 =
1
.
6
(11) 16.9−8.6 =8
.
3
(12) 1.2−0.26 =0
.
94
(13) 0
.83−0.27 =
0
.
56
(14) 10.2−6.2 =4
(15) 0.77−0.22 =0
.
55
(16) 0
.95−0.38 =
0
.
57
(17) 1.48−0.92 =0
.
56
(18) 1.11−0.18 =0
.
93
(19) 10
.6−9.4 =
1
.
2
(20) 0.48−0.1 =0
.
38
(21) 0.51−0.27 =0
.
24
(22) 1
.29−0.74 =
0
.
55
(23) 6.6−1.4 =5
.
2
(24) 0.39−0.37 =0
.
02
(25) 1
(1) 1
.33−0.94 = (2) 0.65−0.09 =
(3) 1
.21−0.42 = (4) 1.24−0.67 =
(5) 16
(1) 1
.33−0.94 =
0
.
39
(2) 0.65−0.09 =0
.
56
(3) 1
.21−0.42 =
0
.
79
(4) 1.24−0.67 =0
.
57
(5) 16
(1)
9 . 5
− 0 . 4 (2)
1 . 4 8 − 0 . 9 6
(3)
0 . 3 6
− 0 . 1 3 (4)
1 . 5 6 − 0 . 9 5
(5)
1 . 3 1
− 0 . 7 4 (6)
1 1 . 7 − 9 . 2
(7)
7 . 7
− 6 . 4 (8)
1 . 2 8 − 0 . 4 3
(9) − 1 . 4 20 . 5 2 (10)
(1)
9 . 5 − 0 . 4
9
.
1
(2)
1 . 4 8 − 0 . 9 6
0
.
52
(3)
0 . 3 6 − 0 . 1 3
0
.
23
(4)
1 . 5 6 − 0 . 9 5
0
.
61
(5)
1 . 3 1 − 0 . 7 4
0
.
57
(6)
1 1 . 7 − 9 . 2
2
.
5
(7)
7 . 7 − 6 . 4
1
.
3
(8)
1 . 2 8 − 0 . 4 3
0
.
85
(9) − 1 . 4 20 . 5 2
0
.
9
(10) − 1 0 . 12 . 2
(1) − 1 0 . 94 . 2 (2)
1 0 . 8
− 3 (3)
1 . 2 3 − 0 . 3 8
(4)
1 6 . 3
− 7 . 9 (5)
1 5
− 7 . 4 (6)
5 . 8 − 1 . 2
(7)
1 0 . 8
− 6 . 6 (8)
1 4 . 1
− 6 . 9 (9)
8 . 1 − 2 . 7
(10)
1 0 . 3
− 3 . 6 (11)
3 . 7
− 1 . 2 (12)
0 . 9 1 − 0 . 5 8
(13)
1 . 3 9
− 0 . 8 7 (14)
1 . 1
− 0 . 4 2 (15)
1 . 2 3 − 0 . 5 8
(16) − 1 . 0 20 . 6 7 (17)
1 . 2 8
− 0 . 4 9 (18)
1 0 . 1 − 6 . 4
(19)
1 . 4 4
− 0 . 9 3 (20)
(1) − 1 0 . 94 . 2
6
.
7
(2) − 1 0 . 83
7
.
8
(3) − 1 . 2 30 . 3 8
0
.
85
(4)
1 6 . 3 − 7 . 9
8
.
4
(5)
1 5 − 7 . 4
7
.
6
(6)
5 . 8 − 1 . 2
4
.
6
(7)
1 0 . 8 − 6 . 6
4
.
2
(8)
1 4 . 1 − 6 . 9
7
.
2
(9)
8 . 1 − 2 . 7
5
.
4
(10)
1 0 . 3 − 3 . 6
6
.
7
(11)
3 . 7 − 1 . 2
2
.
5
(12)
0 . 9 1 − 0 . 5 8
0
.
33
(13)
1 . 3 9 − 0 . 8 7
0
.
52
(14)
1 . 1 − 0 . 4 2
0
.
68
(15)
1 . 2 3 − 0 . 5 8
0
.
65
(16) − 1 . 0 20 . 6 7
0
.
35
(17) − 1 . 2 80 . 4 9
0
.
79
(18) − 1 0 . 16 . 4
3
.
7
(19)
1 . 4 4 − 0 . 9 3
0
.
51
(20)
1 . 2 6 − 0 . 5 5
0
(1) 2
.94−1.15 = (2) 16.86−9.21 =
(3) 150−90
.8 = (4) 87.8−69.2 =
(5) 105
.5−61.8 = (6) 87.9−38.5 =
(7) 13
.65−5.85 = (8) 15.22−7.04 =
(9) 6
(1) 2
.94−1.15 =
1
.
79
(2) 16.86−9.21 =7
.
65
(3) 150−90
.8 =
59
.
2
(4) 87.8−69.2 =18
.
6
(5) 105
.5−61.8 =
43
.
7
(6) 87.9−38.5 =49
.
4
(7) 13
.65−5.85 =
7
.
8
(8) 15.22−7.04 =8
.
18
(9) 6
(1) 13
.45−6.47 = (2) 12.21−6.23 = (3) 4.97−2.54 =
(4) 21
.8−11.1 = (5) 4.85−1.97 = (6) 79.4−64.9 =
(7) 10
.25−2.74 = (8) 15.97−6.93 = (9) 5.95−1.39 =
(10) 128
.4−55.6 = (11) 7.05−5.55 = (12) 11.7−8.79 =
(13) 10
.28−1.29 = (14) 16.62−6.73 = (15) 90.4−63.8 =
(16) 57−33
.2 = (17) 130.5−65.4 = (18) 51.9−37.3 =
(19) 153
(1) 13
.45−6.47 =
6
.
98
(2) 12.21−6.23 =5
.
98
(3) 4.97−2.54 =2
.
43
(4) 21
.8−11.1 =
10
.
7
(5) 4.85−1.97 =2
.
88
(6) 79.4−64.9 =14
.
5
(7) 10
.25−2.74 =
7
.
51
(8) 15.97−6.93 =9
.
04
(9) 5.95−1.39 =4
.
56
(10) 128
.4−55.6 =
72
.
8
(11) 7.05−5.55 =1
.
5
(12) 11.7−8.79 =2
.
91
(13) 10
.28−1.29 =
8
.
99
(14) 16.62−6.73 =9
.
89
(15) 90.4−63.8 =26
.
6
(16) 57−33
.2 =
23
.
8
(17) 130.5−65.4 =65
.
1
(18) 51.9−37.3 =14
.
6
(19) 153
(1) 15
.38−9.53 = (2) 127.5−69.2 =
(3) 79
.3−51.9 = (4) 9.02−6.55 =
(5) 5
(1) 15
.38−9.53 =
5
.
85
(2) 127.5−69.2 =58
.
3
(3) 79
.3−51.9 =
27
.
4
(4) 9.02−6.55 =2
.
47
(5) 5
(1)
1 0
− 7 . 0 8 (2)
1 1 0 . 4
− 6 0 . 2
(3)
1 7 . 8 7
− 9 . 2 5 (4)
1 7 . 3 8
− 9 . 2
(5)
1 5 3 . 9
− 6 2 . 4 (6)
1 1 . 7 3
− 5 . 2 9
(7)
1 6 3 . 2
− 9 8 . 3 (8)
1 5 2 . 6
− 5 3 . 2
(9) − 7 . 0 51 . 7 1 (10)
1 6 6 . 6
(1)
1 0
− 7 . 0 8
2
.
92
(2)
1 1 0 . 4
− 6 0 . 2
50
.
2
(3)
1 7 . 8 7
− 9 . 2 5
8
.
62
(4)
1 7 . 3 8
− 9 . 2
8
.
18
(5)
1 5 3 . 9
− 6 2 . 4
91
.
5
(6)
1 1 . 7 3
− 5 . 2 9
6
.
44
(7)
1 6 3 . 2
− 9 8 . 3
64
.
9
(8)
1 5 2 . 6
− 5 3 . 2
99
.
4
(9) − 7 . 0 51 . 7 1
5
.
34
(10) − 1 6 6 . 69 0 . 4
76
(1) − 1 7 4 . 59 8 . 3 (2)
6 7
− 1 8 . 4 (3)
1 7 . 0 9
− 8 . 5 9
(4)
1 5 . 5
− 5 . 9 7 (5)
1 1 . 8 5
− 7 . 1 9 (6)
1 1 . 5 3
− 3 . 6 8
(7)
1 0 9 . 1
− 7 3 . 2 (8)
1 0 . 5 5
− 9 . 5 9 (9)
1 0 6 . 1
− 5 1 . 3
(10)
1 0 . 2 9
− 0 . 9 3 (11)
1 4 6 . 8
− 6 0 . 6 (12)
6 4 . 8
− 3 . 7
(13)
1 5 . 4 6
− 9 . 7 4 (14)
7 7 . 7
− 5 6 (15)
1 6 . 9
− 8 . 8 6
(16) − 1 2 . 6 34 . 1 5 (17)
1 3 8 . 9
− 7 0 . 6 (18)
1 4 . 6 5
− 4 . 7 9
(19)
8 7 . 5
− 6 2 . 5 (20)
1 5 5 . 5
(1) − 1 7 4 . 59 8 . 3
76
.
2
(2) − 6 71 8 . 4
48
.
6
(3) − 1 7 . 0 98 . 5 9
8
.
5
(4)
1 5 . 5
− 5 . 9 7
9
.
53
(5)
1 1 . 8 5
− 7 . 1 9
4
.
66
(6)
1 1 . 5 3
− 3 . 6 8
7
.
85
(7)
1 0 9 . 1
− 7 3 . 2
35
.
9
(8)
1 0 . 5 5
− 9 . 5 9
0
.
96
(9)
1 0 6 . 1
− 5 1 . 3
54
.
8
(10)
1 0 . 2 9
− 0 . 9 3
9
.
36
(11)
1 4 6 . 8
− 6 0 . 6
86
.
2
(12)
6 4 . 8
− 3 . 7
61
.
1
(13)
1 5 . 4 6
− 9 . 7 4
5
.
72
(14)
7 7 . 7
− 5 6
21
.
7
(15)
1 6 . 9
− 8 . 8 6
8
.
04
(16) − 1 2 . 6 34 . 1 5
8
.
48
(17) − 1 3 8 . 97 0 . 6
68
.
3
(18) − 1 4 . 6 54 . 7 9
9
.
86
(19)
8 7 . 5
− 6 2 . 5
25
(20)
1 5 5 . 5
− 7 3 . 4
(1)
1 2 4 . 3
− 4 2 . 6 (2)
1 3 . 3 7
− 4 . 4 3
(3)
8 . 6 8
− 7 . 2 9 (4)
9 . 1 8
− 8 . 1 7
(5)
1 4 5 . 7
(1)
1 2 4 . 3
− 4 2 . 6
81
.
7
(2)
1 3 . 3 7
− 4 . 4 3
8
.
94
(3)
8 . 6 8
− 7 . 2 9
1
.
39
(4)
9 . 1 8
− 8 . 1 7
1
.
01
(5)
1 4 5 . 7
− 9 6 . 9
(1) 675
.9−419.5 = (2) 1088.6−819.8 =
(3) 444
.4−393.7 = (4) 144.34−96.07 =
(5) 149
.56−71.32 = (6) 1238.4−974.8 =
(7) 61
.1−15.25 = (8) 66.43−0.1 =
(9) 45
(1) 675
.9−419.5 =
256
.
4
(2) 1088.6−819.8 =268
.
8
(3) 444
.4−393.7 =
50
.
7
(4) 144.34−96.07 =48
.
27
(5) 149
.56−71.32 =
78
.
24
(6) 1238.4−974.8 =263
.
6
(7) 61
.1−15.25 =
45
.
85
(8) 66.43−0.1 =66
.
33
(9) 45
(1) 53
.71−1.46 = (2) 136.28−38.88 = (3) 130.44−43.59 =
(4) 57
.9−5.02 = (5) 66.74−36.35 = (6) 1181.7−844.4 =
(7) 146
.89−83.82 = (8) 1778.6−958.1 = (9) 155.73−98.07 =
(10) 115−23
.74 = (11) 138.57−93.88 = (12) 52.64−36.46 =
(13) 341
.2−143.6 = (14) 1259.4−479.1 = (15) 62.45−40.93 =
(16) 119
.54−86.78 = (17) 125.2−47.83 = (18) 106.26−94.68 =
(19) 1511
(1) 53
.71−1.46 =
52
.
25
(2) 136.28−38.88 =97
.
4
(3) 130.44−43.59 =86
.
85
(4) 57
.9−5.02 =
52
.
88
(5) 66.74−36.35 =30
.
39
(6) 1181.7−844.4 =337
.
3
(7) 146
.89−83.82 =
63
.
07
(8) 1778.6−958.1 =820
.
5
(9) 155.73−98.07 =57
.
66
(10) 115−23
.74 =
91
.
26
(11) 138.57−93.88 =44
.
69
(12) 52.64−36.46 =16
.
18
(13) 341
.2−143.6 =
197
.
6
(14) 1259.4−479.1 =780
.
3
(15) 62.45−40.93 =21
.
52
(16) 119
.54−86.78 =
32
.
76
(17) 125.2−47.83 =77
.
37
(18) 106.26−94.68 =11
.
58
(19) 1511
(1) 1866
.9−959.5 = (2) 132.64−72.85 =
(3) 1461
.7−547.5 = (4) 146.19−81.35 =
(5) 863
(1) 1866
.9−959.5 =
907
.
4
(2) 132.64−72.85 =59
.
79
(3) 1461
.7−547.5 =
914
.
2
(4) 146.19−81.35 =64
.
84
(5) 863
(1) 50×0
.3 = (2) 0.08×9 =
(3) 0
.5×2 = (4) 0.7×800 =
(5) 0
.3×30 = (6) 0.06×7 =
(7) 0
.04×5 = (8) 4×0.8 =
(9) 0
(1) 50×0
.3 =
15
(2) 0.08×9 =0
.
72
(3) 0
.5×2 =
1
(4) 0.7×800 =560
(5) 0
.3×30 =
9
(6) 0.06×7 =0
.
42
(7) 0
.04×5 =
0
.
2
(8) 4×0.8 =3
.
2
(9) 0
(1) 0
.05×800 = (2) 0.04×5 = (3) 0.9×5 =
(4) 0
.2×5 = (5) 9×0.04 = (6) 2×0.02 =
(7) 3×0
.09 = (8) 7×0.05 = (9) 200×0.09 =
(10) 40×0
.8 = (11) 90×0.08 = (12) 7×0.06 =
(13) 0
.05×9 = (14) 2×0.5 = (15) 0.5×9 =
(16) 0
.2×90 = (17) 0.4×5 = (18) 50×0.03 =
(19) 90×0
(1) 0
.05×800 =
40
(2) 0.04×5 =0
.
2
(3) 0.9×5 =4
.
5
(4) 0
.2×5 =
1
(5) 9×0.04 =0
.
36
(6) 2×0.02 =0
.
04
(7) 3×0
.09 =
0
.
27
(8) 7×0.05 =0
.
35
(9) 200×0.09 =18
(10) 40×0
.8 =
32
(11) 90×0.08 =7
.
2
(12) 7×0.06 =0
.
42
(13) 0
.05×9 =
0
.
45
(14) 2×0.5 =1
(15) 0.5×9 =4
.
5
(16) 0
.2×90 =
18
(17) 0.4×5 =2
(18) 50×0.03 =1
.
5
(19) 90×0
(1) 8×0
.09 = (2) 0.9×5 = (3) 700×0.7 =
(4) 0
.4×6 = (5) 300×0.06 = (6) 0.08×8 =
(7) 0
.07×70 = (8) 0.04×6 = (9) 4×0.5 =
(10) 2×0
.09 = (11) 3×0.04 = (12) 60×0.07 =
(13) 3×0
.07 = (14) 7×0.5 = (15) 3×0.06 =
(16) 0
.7×300 = (17) 0.03×30 = (18) 0.6×7 =
(19) 70×0
.2 = (20) 0.06×3 = (21) 9×0.8 =
(22) 8×0
.9 = (23) 0.03×4 = (24) 9×0.6 =
(25) 0
(1) 8×0
.09 =
0
.
72
(2) 0.9×5 =4
.
5
(3) 700×0.7 =490
(4) 0
.4×6 =
2
.
4
(5) 300×0.06 =18
(6) 0.08×8 =0
.
64
(7) 0
.07×70 =
4
.
9
(8) 0.04×6 =0
.
24
(9) 4×0.5 =2
(10) 2×0
.09 =
0
.
18
(11) 3×0.04 =0
.
12
(12) 60×0.07 =4
.
2
(13) 3×0
.07 =
0
.
21
(14) 7×0.5 =3
.
5
(15) 3×0.06 =0
.
18
(16) 0
.7×300 =
210
(17) 0.03×30 =0
.
9
(18) 0.6×7 =4
.
2
(19) 70×0
.2 =
14
(20) 0.06×3 =0
.
18
(21) 9×0.8 =7
.
2
(22) 8×0
.9 =
7
.
2
(23) 0.03×4 =0
.
12
(24) 9×0.6 =5
.
4
(25) 0
(1) 0
.5×0.7 = (2) 0.5×0.5 =
(3) 0
.1×0.9 = (4) 0.6×0.6 =
(5) 0
.1×0.3 = (6) 0.4×0.6 =
(7) 0
.7×0.6 = (8) 0.9×0.4 =
(9) 0
(1) 0
.5×0.7 =
0
.
35
(2) 0.5×0.5 =0
.
25
(3) 0
.1×0.9 =
0
.
09
(4) 0.6×0.6 =0
.
36
(5) 0
.1×0.3 =
0
.
03
(6) 0.4×0.6 =0
.
24
(7) 0
.7×0.6 =
0
.
42
(8) 0.9×0.4 =0
.
36
(9) 0
(1) 0
.3×0.5 = (2) 0.1×0.2 = (3) 0.4×0.5 =
(4) 0
.4×0.7 = (5) 0.6×0.1 = (6) 0.1×0.8 =
(7) 0
.8×0.5 = (8) 0.2×0.8 = (9) 0.1×0.7 =
(10) 0
.2×0.5 = (11) 0.9×0.8 = (12) 0.6×0.8 =
(13) 0
.5×0.8 = (14) 0.2×0.7 = (15) 0.5×0.7 =
(16) 0
.6×0.4 = (17) 0.3×0.1 = (18) 0.3×0.2 =
(19) 0
(1) 0
.3×0.5 =
0
.
15
(2) 0.1×0.2 =0
.
02
(3) 0.4×0.5 =0
.
2
(4) 0
.4×0.7 =
0
.
28
(5) 0.6×0.1 =0
.
06
(6) 0.1×0.8 =0
.
08
(7) 0
.8×0.5 =
0
.
4
(8) 0.2×0.8 =0
.
16
(9) 0.1×0.7 =0
.
07
(10) 0
.2×0.5 =
0
.
1
(11) 0.9×0.8 =0
.
72
(12) 0.6×0.8 =0
.
48
(13) 0
.5×0.8 =
0
.
4
(14) 0.2×0.7 =0
.
14
(15) 0.5×0.7 =0
.
35
(16) 0
.6×0.4 =
0
.
24
(17) 0.3×0.1 =0
.
03
(18) 0.3×0.2 =0
.
06
(19) 0
(1) 0
.6×0.7 = (2) 0.7×0.5 = (3) 0.7×0.6 =
(4) 0
.3×0.4 = (5) 0.1×0.7 = (6) 0.8×0.8 =
(7) 0
.2×0.6 = (8) 0.6×0.8 = (9) 0.8×0.6 =
(10) 0
.9×0.3 = (11) 0.5×0.9 = (12) 0.6×0.2 =
(13) 0
.4×0.9 = (14) 0.7×0.2 = (15) 0.2×0.3 =
(16) 0
.8×0.7 = (17) 0.4×0.6 = (18) 0.5×0.4 =
(19) 0
.9×0.5 = (20) 0.1×0.3 = (21) 0.7×0.4 =
(22) 0
.5×0.5 = (23) 0.6×0.3 = (24) 0.5×0.6 =
(25) 0
(1) 0
.6×0.7 =
0
.
42
(2) 0.7×0.5 =0
.
35
(3) 0.7×0.6 =0
.
42
(4) 0
.3×0.4 =
0
.
12
(5) 0.1×0.7 =0
.
07
(6) 0.8×0.8 =0
.
64
(7) 0
.2×0.6 =
0
.
12
(8) 0.6×0.8 =0
.
48
(9) 0.8×0.6 =0
.
48
(10) 0
.9×0.3 =
0
.
27
(11) 0.5×0.9 =0
.
45
(12) 0.6×0.2 =0
.
12
(13) 0
.4×0.9 =
0
.
36
(14) 0.7×0.2 =0
.
14
(15) 0.2×0.3 =0
.
06
(16) 0
.8×0.7 =
0
.
56
(17) 0.4×0.6 =0
.
24
(18) 0.5×0.4 =0
.
2
(19) 0
.9×0.5 =
0
.
45
(20) 0.1×0.3 =0
.
03
(21) 0.7×0.4 =0
.
28
(22) 0
.5×0.5 =
0
.
25
(23) 0.6×0.3 =0
.
18
(24) 0.5×0.6 =0
.
3
(25) 0
(1) 3×0
.7 = (2) 0.7×6 =
(3) 0
.5×5 = (4) 0.3×6 =
(5) 0
.7×2 = (6) 2×0.7 =
(7) 0
.4×6 = (8) 2×0.8 =
(9) 0
(1) 3×0
.7 =
2
.
1
(2) 0.7×6 =4
.
2
(3) 0
.5×5 =
2
.
5
(4) 0.3×6 =1
.
8
(5) 0
.7×2 =
1
.
4
(6) 2×0.7 =1
.
4
(7) 0
.4×6 =
2
.
4
(8) 2×0.8 =1
.
6
(9) 0
(1) 8×0
.5 = (2) 0.6×2 = (3) 0.2×8 =
(4) 3×0
.3 = (5) 0.4×7 = (6) 0.8×6 =
(7) 7×0
.6 = (8) 0.4×3 = (9) 0.5×7 =
(10) 3×0
.7 = (11) 0.6×7 = (12) 7×0.8 =
(13) 7×0
.7 = (14) 0.9×5 = (15) 0.3×9 =
(16) 0
.4×8 = (17) 9×0.7 = (18) 0.7×6 =
(19) 2×0
(1) 8×0
.5 =
4
(2) 0.6×2 =1
.
2
(3) 0.2×8 =1
.
6
(4) 3×0
.3 =
0
.
9
(5) 0.4×7 =2
.
8
(6) 0.8×6 =4
.
8
(7) 7×0
.6 =
4
.
2
(8) 0.4×3 =1
.
2
(9) 0.5×7 =3
.
5
(10) 3×0
.7 =
2
.
1
(11) 0.6×7 =4
.
2
(12) 7×0.8 =5
.
6
(13) 7×0
.7 =
4
.
9
(14) 0.9×5 =4
.
5
(15) 0.3×9 =2
.
7
(16) 0
.4×8 =
3
.
2
(17) 9×0.7 =6
.
3
(18) 0.7×6 =4
.
2
(19) 2×0
(1) 6×0
.6 = (2) 0.4×3 = (3) 0.7×4 =
(4) 0
.8×9 = (5) 0.6×8 = (6) 9×0.3 =
(7) 0
.6×3 = (8) 0.4×2 = (9) 0.3×8 =
(10) 2×0
.8 = (11) 0.7×7 = (12) 0.5×8 =
(13) 0
.3×9 = (14) 0.3×2 = (15) 8×0.5 =
(16) 9×0
.4 = (17) 0.8×8 = (18) 2×0.4 =
(19) 0
.6×5 = (20) 5×0.6 = (21) 9×0.5 =
(22) 0
.2×9 = (23) 8×0.7 = (24) 5×0.4 =
(25) 0
(1) 6×0
.6 =
3
.
6
(2) 0.4×3 =1
.
2
(3) 0.7×4 =2
.
8
(4) 0
.8×9 =
7
.
2
(5) 0.6×8 =4
.
8
(6) 9×0.3 =2
.
7
(7) 0
.6×3 =
1
.
8
(8) 0.4×2 =0
.
8
(9) 0.3×8 =2
.
4
(10) 2×0
.8 =
1
.
6
(11) 0.7×7 =4
.
9
(12) 0.5×8 =4
(13) 0
.3×9 =
2
.
7
(14) 0.3×2 =0
.
6
(15) 8×0.5 =4
(16) 9×0
.4 =
3
.
6
(17) 0.8×8 =6
.
4
(18) 2×0.4 =0
.
8
(19) 0
.6×5 =
3
(20) 5×0.6 =3
(21) 9×0.5 =4
.
5
(22) 0
.2×9 =
1
.
8
(23) 8×0.7 =5
.
6
(24) 5×0.4 =2
(25) 0
(1) 0
.06×0.4 = (2) 0.05×0.4 =
(3) 0
.2×0.4 = (4) 0.3×0.9 =
(5) 0
.06×0.2 = (6) 0.6×0.4 =
(7) 0
.09×0.4 = (8) 0.8×0.2 =
(9) 0
(1) 0
.06×0.4 =
0
.
024
(2) 0.05×0.4 =0
.
02
(3) 0
.2×0.4 =
0
.
08
(4) 0.3×0.9 =0
.
27
(5) 0
.06×0.2 =
0
.
012
(6) 0.6×0.4 =0
.
24
(7) 0
.09×0.4 =
0
.
036
(8) 0.8×0.2 =0
.
16
(9) 0
(1) 0
.06×0.7 = (2) 0.2×0.05 = (3) 0.2×0.7 =
(4) 0
.08×0.6 = (5) 0.6×0.08 = (6) 0.04×0.3 =
(7) 0
.8×0.06 = (8) 0.6×0.5 = (9) 0.05×0.4 =
(10) 0
.7×0.9 = (11) 0.3×0.8 = (12) 0.4×0.07 =
(13) 0
.8×0.8 = (14) 0.9×0.06 = (15) 0.5×0.03 =
(16) 0
.4×0.09 = (17) 0.04×0.2 = (18) 0.2×0.02 =
(19) 0
(1) 0
.06×0.7 =
0
.
042
(2) 0.2×0.05 =0
.
01
(3) 0.2×0.7 =0
.
14
(4) 0
.08×0.6 =
0
.
048
(5) 0.6×0.08 =0
.
048
(6) 0.04×0.3 =0
.
012
(7) 0
.8×0.06 =
0
.
048
(8) 0.6×0.5 =0
.
3
(9) 0.05×0.4 =0
.
02
(10) 0
.7×0.9 =
0
.
63
(11) 0.3×0.8 =0
.
24
(12) 0.4×0.07 =0
.
028
(13) 0
.8×0.8 =
0
.
64
(14) 0.9×0.06 =0
.
054
(15) 0.5×0.03 =0
.
015
(16) 0
.4×0.09 =
0
.
036
(17) 0.04×0.2 =0
.
008
(18) 0.2×0.02 =0
.
004
(19) 0
(1) 0
.05×0.8 = (2) 0.3×0.5 = (3) 0.7×0.4 =
(4) 0
.06×0.7 = (5) 0.9×0.6 = (6) 0.9×0.02 =
(7) 0
.06×0.6 = (8) 0.06×0.5 = (9) 0.6×0.07 =
(10) 0
.08×0.7 = (11) 0.3×0.08 = (12) 0.3×0.2 =
(13) 0
.6×0.3 = (14) 0.4×0.06 = (15) 0.9×0.9 =
(16) 0
.2×0.04 = (17) 0.6×0.5 = (18) 0.7×0.04 =
(19) 0
.9×0.07 = (20) 0.7×0.7 = (21) 0.4×0.04 =
(22) 0
.8×0.9 = (23) 0.08×0.8 = (24) 0.2×0.8 =
(25) 0
