1.
50 – 8 =
42
4
3
2
|
2.
47 – 12 =
4
35
3
2
|
3.
13 – 1 =
2
3
1
12
|
4.
42 – 12 =
3
4
2
30
|
5.
9 + 41 =
3
4
2
50
|
6.
14 – 11 =
1
2
3
4
|
7.
30 + 2 =
4
2
32
3
|
8.
15 + 16 =
4
2
3
31
|
9.
21 + 26 =
2
3
4
47
|
10.
17 – 12 =
5
1
2
3
|
11.
6 – 6 =
4
2
0
3
|
12.
45 – 32 =
2
1
3
13
|
13.
22 – 14 =
3
1
2
8
|
14.
18 + 21 =
2
3
39
4
|
15.
32 – 5 =
27
4
3
2
|
16.
25 – 10 =
15
2
1
3
|
17.
30 – 7 =
23
4
2
3
|
18.
20 – 11 =
1
3
2
9
|
19.
19 – 0 =
3
4
2
19
|
20.
17 – 9 =
3
2
1
8
|
1.
50 – 8 =
42
4
3
2
|
2.
47 – 12 =
4
35
3
2
|
3.
13 – 1 =
2
3
1
12
|
4.
42 – 12 =
3
4
2
30
|
5.
9 + 41 =
3
4
2
50
|
6.
14 – 11 =
1
2
3
4
|
7.
30 + 2 =
4
2
32
3
|
8.
15 + 16 =
4
2
3
31
|
9.
21 + 26 =
2
3
4
47
|
10.
17 – 12 =
5
1
2
3
|
11.
6 – 6 =
4
2
0
3
|
12.
45 – 32 =
2
1
3
13
|
13.
22 – 14 =
3
1
2
8
|
14.
18 + 21 =
2
3
39
4
|
15.
32 – 5 =
27
4
3
2
|
16.
25 – 10 =
15
2
1
3
|
17.
30 – 7 =
23
4
2
3
|
18.
20 – 11 =
1
3
2
9
|
19.
19 – 0 =
3
4
2
19
|
20.
17 – 9 =
3
2
1
8
|