|
1.
6 – 0 =
1
6
|
2.
43 – 27 =
16
2
|
3.
20 + 19 =
2
39
|
4.
25 – 21 =
4
1
|
|
5.
42 + 3 =
2
45
|
6.
21 – 18 =
3
1
|
7.
43 + 2 =
2
45
|
8.
2 + 26 =
28
2
|
|
9.
24 – 20 =
4
1
|
10.
14 – 12 =
2
1
|
11.
27 + 4 =
2
31
|
12.
16 – 14 =
1
2
|
|
13.
31 + 4 =
35
2
|
14.
41 + 2 =
43
2
|
15.
10 + 20 =
30
2
|
16.
36 + 6 =
42
2
|
|
17.
11 + 17 =
28
2
|
18.
35 + 1 =
2
36
|
19.
4 – 1 =
1
3
|
20.
32 + 2 =
34
2
|
|
1.
6 – 0 =
1
6
|
2.
43 – 27 =
16
2
|
3.
20 + 19 =
2
39
|
4.
25 – 21 =
4
1
|
|
5.
42 + 3 =
2
45
|
6.
21 – 18 =
3
1
|
7.
43 + 2 =
2
45
|
8.
2 + 26 =
28
2
|
|
9.
24 – 20 =
4
1
|
10.
14 – 12 =
2
1
|
11.
27 + 4 =
2
31
|
12.
16 – 14 =
1
2
|
|
13.
31 + 4 =
35
2
|
14.
41 + 2 =
43
2
|
15.
10 + 20 =
30
2
|
16.
36 + 6 =
42
2
|
|
17.
11 + 17 =
28
2
|
18.
35 + 1 =
2
36
|
19.
4 – 1 =
1
3
|
20.
32 + 2 =
34
2
|