1.
16 – 16 =
2
0
|
2.
9 – 7 =
1
2
|
3.
4 – 3 =
1
2
|
4.
35 – 10 =
25
2
|
5.
42 – 36 =
1
6
|
6.
25 + 1 =
26
2
|
7.
10 + 7 =
2
17
|
8.
18 – 9 =
1
9
|
9.
23 + 17 =
40
2
|
10.
29 + 4 =
33
2
|
11.
15 + 15 =
30
2
|
12.
29 + 3 =
32
2
|
13.
32 + 4 =
36
2
|
14.
9 – 2 =
1
7
|
15.
43 – 6 =
37
2
|
16.
38 – 25 =
1
13
|
17.
30 + 4 =
2
34
|
18.
12 + 9 =
2
21
|
19.
10 – 1 =
1
9
|
20.
18 + 23 =
41
2
|
1.
16 – 16 =
2
0
|
2.
9 – 7 =
1
2
|
3.
4 – 3 =
1
2
|
4.
35 – 10 =
25
2
|
5.
42 – 36 =
1
6
|
6.
25 + 1 =
26
2
|
7.
10 + 7 =
2
17
|
8.
18 – 9 =
1
9
|
9.
23 + 17 =
40
2
|
10.
29 + 4 =
33
2
|
11.
15 + 15 =
30
2
|
12.
29 + 3 =
32
2
|
13.
32 + 4 =
36
2
|
14.
9 – 2 =
1
7
|
15.
43 – 6 =
37
2
|
16.
38 – 25 =
1
13
|
17.
30 + 4 =
2
34
|
18.
12 + 9 =
2
21
|
19.
10 – 1 =
1
9
|
20.
18 + 23 =
41
2
|