(1) 0
.8−0.4 = (2) 0.08−0.02 = (3) 0.1−0.09 =
(4) 0.09 + 0.05 = (5) 0.18 + 0.06 = (6) 0.16−0.13 =
(7) 0.8 + 0.6 = (8) 0.9−0.7 = (9) 1.9−0.4 =
(10) 0.01 + 0.01 = (11) 0.06 + 0.02 = (12) 0.13−0.04 =
(13) 2
.1−1.6 = (14) 0.06−0.05 = (15) 0.1−0.06 =
(16) 0.8 + 0.3 = (17) 2−0.9 = (18) 0.13 + 0.04 =
(1) 0.8−0.4 =
0
.
4
(2) 0.08−0.02 =0
.
06
(3) 0.1−0.09 =0
.
01
(4) 0.09 + 0.05 =
0
.
14
(5) 0.18 + 0.06 =0
.
24
(6) 0.16−0.13 =0
.
03
(7) 0.8 + 0.6 =
1
.
4
(8) 0.9−0.7 =0
.
2
(9) 1.9−0.4 =1
.
5
(10) 0
.01 + 0.01 =
0
.
02
(11) 0.06 + 0.02 =0
.
08
(12) 0.13−0.04 =0
.
09
(13) 2.1−1.6 =
0
.
5
(14) 0.06−0.05 =0
.
01
(15) 0.1−0.06 =0
.
04
(16) 0.8 + 0.3 =
1
.
1
(17) 2−0.9 =1
.
1
(18) 0.13 + 0.04 =0
.
17
(1) 0
.04 + 0.08 = (2) 0.15 + 0.04 = (3) 0.05 + 0.08 =
(4) 0.6−0.3 = (5) 1.6−0.4 = (6) 0.02 + 0.13 =
(7) 0.06 + 0.06 = (8) 0.01 + 0.05 = (9) 0.07−0.04 =
(10) 1.1 + 0.2 = (11) 0.6 + 1.6 = (12) 0.2−0.07 =
(13) 0
.03 + 0.15 = (14) 1.3−0.6 = (15) 0.06 + 0.19 =
(16) 0.06 + 0.03 = (17) 0.14 + 0.02 = (18) 0.3 + 0.1 =
(1) 0.04 + 0.08 =
0
.
12
(2) 0.15 + 0.04 =0
.
19
(3) 0.05 + 0.08 =0
.
13
(4) 0.6−0.3 =
0
.
3
(5) 1.6−0.4 =1
.
2
(6) 0.02 + 0.13 =0
.
15
(7) 0.06 + 0.06 =
0
.
12
(8) 0.01 + 0.05 =0
.
06
(9) 0.07−0.04 =0
.
03
(10) 1
.1 + 0.2 =
1
.
3
(11) 0.6 + 1.6 =2
.
2
(12) 0.2−0.07 =0
.
13
(13) 0.03 + 0.15 =
0
.
18
(14) 1.3−0.6 =0
.
7
(15) 0.06 + 0.19 =0
.
25
(16) 0.06 + 0.03 =
0
.
09
(17) 0.14 + 0.02 =0
.
16
(18) 0.3 + 0.1 =0
.
4
(1) 0
.25−0.18 = (2) 1.1−0.4 = (3) 0.06 + 0.02 =
(4) 0.6−0.4 = (5) 0.13−0.06 = (6) 1.6−1.2 =
(7) 0.06 + 0.07 = (8) 0.1 + 0.01 = (9) 0.7 + 1.5 =
(10) 1.2−0.9 = (11) 0.14−0.09 = (12) 0.23−0.07 =
(13) 0
.23−0.15 = (14) 1.6−0.7 = (15) 0.03 + 0.08 =
(16) 1.7 + 0.6 = (17) 0.08 + 0.01 = (18) 0.6 + 1 =
(1) 0.25−0.18 =
0
.
07
(2) 1.1−0.4 =0
.
7
(3) 0.06 + 0.02 =0
.
08
(4) 0.6−0.4 =
0
.
2
(5) 0.13−0.06 =0
.
07
(6) 1.6−1.2 =0
.
4
(7) 0.06 + 0.07 =
0
.
13
(8) 0.1 + 0.01 =0
.
11
(9) 0.7 + 1.5 =2
.
2
(10) 1
.2−0.9 =
0
.
3
(11) 0.14−0.09 =0
.
05
(12) 0.23−0.07 =0
.
16
(13) 0.23−0.15 =
0
.
08
(14) 1.6−0.7 =0
.
9
(15) 0.03 + 0.08 =0
.
11
(16) 1.7 + 0.6 =
2
.
3
(17) 0.08 + 0.01 =0
.
09
(18) 0.6 + 1 =1
.
6
(1) 0
.14 + 0.04 = (2) 0.13 + 0.08 = (3) 1 + 0.1 =
(4) 2.4−1.8 = (5) 0.8−0.4 = (6) 0.08 + 0.04 =
(7) 0.16−0.11 = (8) 0.5 + 1.7 = (9) 0.4 + 1.8 =
(10) 1.4 + 0.5 = (11) 2.5−0.6 = (12) 1.9−0.7 =
(13) 0
.19 + 0.04 = (14) 0.24−0.08 = (15) 0.09−0.06 =
(16) 0.05 + 0.05 = (17) 0.7 + 0.1 = (18) 0.08 + 0.16 =
(1) 0.14 + 0.04 =
0
.
18
(2) 0.13 + 0.08 =0
.
21
(3) 1 + 0.1 =1
.
1
(4) 2.4−1.8 =
0
.
6
(5) 0.8−0.4 =0
.
4
(6) 0.08 + 0.04 =0
.
12
(7) 0.16−0.11 =
0
.
05
(8) 0.5 + 1.7 =2
.
2
(9) 0.4 + 1.8 =2
.
2
(10) 1
.4 + 0.5 =
1
.
9
(11) 2.5−0.6 =1
.
9
(12) 1.9−0.7 =1
.
2
(13) 0.19 + 0.04 =
0
.
23
(14) 0.24−0.08 =0
.
16
(15) 0.09−0.06 =0
.
03
(16) 0.05 + 0.05 =
0
.
1
(17) 0.7 + 0.1 =0
.
8
(18) 0.08 + 0.16 =0
.
24
(1) 0
.6 + 0.1 = (2) 1.3−0.4 = (3) 0.09 + 0.16 =
(4) 1.1−0.7 = (5) 0.1 + 0.06 = (6) 1.7 + 0.9 =
(7) 1.2 + 0.1 = (8) 1.4−1.1 = (9) 0.15 + 0.09 =
(10) 1.9−1.1 = (11) 0.12 + 0.01 = (12) 0.8 + 0.1 =
(13) 0
.09−0.07 = (14) 0.2 + 0.5 = (15) 1.8−1 =
(16) 0.19−0.09 = (17) 0.6 + 0.9 = (18) 0.05 + 0.07 =
(1) 0.6 + 0.1 =
0
.
7
(2) 1.3−0.4 =0
.
9
(3) 0.09 + 0.16 =0
.
25
(4) 1.1−0.7 =
0
.
4
(5) 0.1 + 0.06 =0
.
16
(6) 1.7 + 0.9 =2
.
6
(7) 1.2 + 0.1 =
1
.
3
(8) 1.4−1.1 =0
.
3
(9) 0.15 + 0.09 =0
.
24
(10) 1
.9−1.1 =
0
.
8
(11) 0.12 + 0.01 =0
.
13
(12) 0.8 + 0.1 =0
.
9
(13) 0.09−0.07 =
0
.
02
(14) 0.2 + 0.5 =0
.
7
(15) 1.8−1 =0
.
8
(16) 0.19−0.09 =
0
.
1
(17) 0.6 + 0.9 =1
.
5
(18) 0.05 + 0.07 =0
.
12
(1) 0
.05−0.04 = (2) 0.1 + 1.7 = (3) 0.3 + 0.4 =
(4) 0.18−0.12 = (5) 0.13 + 0.01 = (6) 0.13−0.06 =
(7) 1.7−1.6 = (8) 0.12−0.08 = (9) 0.09 + 0.13 =
(10) 1−0.9 = (11) 1−0.2 = (12) 0.17−0.08 =
(13) 0
.2−0.13 = (14) 0.1 + 0.1 = (15) 1.7−0.6 =
(16) 2.6−0.7 = (17) 0.03 + 0.1 = (18) 0.5 + 1.7 =
(1) 0.05−0.04 =
0
.
01
(2) 0.1 + 1.7 =1
.
8
(3) 0.3 + 0.4 =0
.
7
(4) 0.18−0.12 =
0
.
06
(5) 0.13 + 0.01 =0
.
14
(6) 0.13−0.06 =0
.
07
(7) 1.7−1.6 =
0
.
1
(8) 0.12−0.08 =0
.
04
(9) 0.09 + 0.13 =0
.
22
(10) 1−0
.9 =
0
.
1
(11) 1−0.2 =0
.
8
(12) 0.17−0.08 =0
.
09
(13) 0.2−0.13 =
0
.
07
(14) 0.1 + 0.1 =0
.
2
(15) 1.7−0.6 =1
.
1
(16) 2.6−0.7 =
1
.
9
(17) 0.03 + 0.1 =0
.
13
(18) 0.5 + 1.7 =2
.
2
(1) 0
.16−0.01 = (2) 0.6 + 1.9 = (3) 0.8 + 1.9 =
(4) 0.3 + 0.2 = (5) 1.8−0.2 = (6) 0.8 + 0.3 =
(7) 0.6 + 1.2 = (8) 1−0.7 = (9) 1.1−0.5 =
(10) 0.03 + 0.06 = (11) 0.16−0.02 = (12) 0.7 + 1.4 =
(13) 2
.1−0.5 = (14) 0.08 + 0.09 = (15) 0.05−0.03 =
(16) 0.03−0.01 = (17) 1.7−1.1 = (18) 0.05 + 0.17 =
(1) 0.16−0.01 =
0
.
15
(2) 0.6 + 1.9 =2
.
5
(3) 0.8 + 1.9 =2
.
7
(4) 0.3 + 0.2 =
0
.
5
(5) 1.8−0.2 =1
.
6
(6) 0.8 + 0.3 =1
.
1
(7) 0.6 + 1.2 =
1
.
8
(8) 1−0.7 =0
.
3
(9) 1.1−0.5 =0
.
6
(10) 0
.03 + 0.06 =
0
.
09
(11) 0.16−0.02 =0
.
14
(12) 0.7 + 1.4 =2
.
1
(13) 2.1−0.5 =
1
.
6
(14) 0.08 + 0.09 =0
.
17
(15) 0.05−0.03 =0
.
02
(16) 0.03−0.01 =
0
.
02
(17) 1.7−1.1 =0
.
6
(18) 0.05 + 0.17 =0
.
22
(1) 0
.2−0.1 = (2) 0.19 + 0.04 = (3) 0.24−0.17 =
(4) 0.6 + 1.9 = (5) 1.7−1.5 = (6) 1−0.6 =
(7) 1.6−0.5 = (8) 0.02 + 0.03 = (9) 0.23−0.17 =
(10) 0.12−0.03 = (11) 0.23−0.08 = (12) 0.18−0.12 =
(13) 1
.4−0.5 = (14) 0.9 + 0.6 = (15) 2.4−1.9 =
(16) 0.03 + 0.08 = (17) 0.4 + 0.1 = (18) 0.14−0.01 =
(1) 0.2−0.1 =
0
.
1
(2) 0.19 + 0.04 =0
.
23
(3) 0.24−0.17 =0
.
07
(4) 0.6 + 1.9 =
2
.
5
(5) 1.7−1.5 =0
.
2
(6) 1−0.6 =0
.
4
(7) 1.6−0.5 =
1
.
1
(8) 0.02 + 0.03 =0
.
05
(9) 0.23−0.17 =0
.
06
(10) 0
.12−0.03 =
0
.
09
(11) 0.23−0.08 =0
.
15
(12) 0.18−0.12 =0
.
06
(13) 1.4−0.5 =
0
.
9
(14) 0.9 + 0.6 =1
.
5
(15) 2.4−1.9 =0
.
5
(16) 0.03 + 0.08 =
0
.
11
(17) 0.4 + 0.1 =0
.
5
(18) 0.14−0.01 =0
.
13
(1) 0
.6−0.1 = (2) 0.02 + 0.07 = (3) 0.6 + 0.7 =
(4) 1.3−0.9 = (5) 0.1 + 0.1 = (6) 0.5 + 0.4 =
(7) 0.9 + 1.2 = (8) 1.6−0.9 = (9) 1.5−0.1 =
(10) 0.04 + 0.18 = (11) 2.1−0.9 = (12) 0.05−0.03 =
(13) 0
.4 + 1.9 = (14) 0.12 + 0.01 = (15) 0.09 + 0.11 =
(16) 0.1−0.03 = (17) 1.8 + 0.9 = (18) 0.3 + 1.5 =
(1) 0.6−0.1 =
0
.
5
(2) 0.02 + 0.07 =0
.
09
(3) 0.6 + 0.7 =1
.
3
(4) 1.3−0.9 =
0
.
4
(5) 0.1 + 0.1 =0
.
2
(6) 0.5 + 0.4 =0
.
9
(7) 0.9 + 1.2 =
2
.
1
(8) 1.6−0.9 =0
.
7
(9) 1.5−0.1 =1
.
4
(10) 0
.04 + 0.18 =
0
.
22
(11) 2.1−0.9 =1
.
2
(12) 0.05−0.03 =0
.
02
(13) 0.4 + 1.9 =
2
.
3
(14) 0.12 + 0.01 =0
.
13
(15) 0.09 + 0.11 =0
.
2
(16) 0.1−0.03 =
0
.
07
(17) 1.8 + 0.9 =2
.
7
(18) 0.3 + 1.5 =1
.
8
(1) 0
.18−0.14 = (2) 1.1−0.8 = (3) 0.09 + 0.04 =
(4) 1.5−1.1 = (5) 0.19 + 0.03 = (6) 0.02 + 0.05 =
(7) 0.12−0.05 = (8) 1.6−0.6 = (9) 0.8 + 0.4 =
(10) 0.3 + 0.9 = (11) 0.8 + 0.1 = (12) 1.9−1.5 =
(13) 0
.07−0.02 = (14) 2.6−0.8 = (15) 1.3−0.7 =
(16) 2.6−0.9 = (17) 0.08−0.06 = (18) 0.2−0.05 =
(1) 0.18−0.14 =
0
.
04
(2) 1.1−0.8 =0
.
3
(3) 0.09 + 0.04 =0
.
13
(4) 1.5−1.1 =
0
.
4
(5) 0.19 + 0.03 =0
.
22
(6) 0.02 + 0.05 =0
.
07
(7) 0.12−0.05 =
0
.
07
(8) 1.6−0.6 =1
(9) 0.8 + 0.4 =1
.
2
(10) 0
.3 + 0.9 =
1
.
2
(11) 0.8 + 0.1 =0
.
9
(12) 1.9−1.5 =0
.
4
(13) 0.07−0.02 =
0
.
05
(14) 2.6−0.8 =1
.
8
(15) 1.3−0.7 =0
.
6
(16) 2.6−0.9 =
