(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 =
(19) 0.1 + 1.6 = (20) 0.11− 0.02 =
(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
(19) 0.1 + 1.6 =
1 . 7
(20) 0.11− 0.02 =0 . 09
(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 =
(19) 2.7− 1.9 = (20) 1.5− 0.5 =
(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
(19) 2.7− 1.9 =
0 . 8
(20) 1.5− 0.5 =1
(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 =
(19) 0.18− 0.15 = (20) 0.23− 0.05 =
(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
(19) 0.18− 0.15 =
0 . 03
(20) 0.23− 0.05 =0 . 18
(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 =
(19) 0.02 + 0.19 = (20) 0.28− 0.19 =
(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
(19) 0.02 + 0.19 =
0 . 21
(20) 0.28− 0.19 =0 . 09
(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 =
(19) 0.1 + 1.9 = (20) 0.3 + 1.7 =
(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
(19) 0.1 + 1.9 =
2
(20) 0.3 + 1.7 =2
(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 =
(19) 0.1 + 1.8 = (20) 0.12− 0.09 =
(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
(19) 0.1 + 1.8 =
1 . 9
(20) 0.12− 0.09 =0 . 03
(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 =
(19) 0.09 + 0.15 = (20) 0.3 + 1.2 =
(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
(19) 0.09 + 0.15 =
0 . 24
(20) 0.3 + 1.2 =1 . 5
(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 =
(19) 0.06 + 0.13 = (20) 0.17− 0.08 =
(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
(19) 0.06 + 0.13 =
0 . 19
(20) 0.17− 0.08 =0 . 09
(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 =
(19) 1.2− 0.1 = (20) 0.22− 0.17 =
(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
(19) 1.2− 0.1 =
1 . 1
(20) 0.22− 0.17 =0 . 05
(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 =
(19) 0.06 + 0.09 = (20) 1.7− 1.3 =
(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 =
1 . 7
(17) 0.08− 0.06 =0 . 02
(18) 0.2− 0.05 =0 . 15
(19) 0.06 + 0.09 =