|
1.
12 + 3 =
2
1
15
3
|
2.
2 – 0 =
4
3
1
2
|
3.
40 + 10 =
50
4
2
3
|
4.
5 + 10 =
15
3
1
2
|
|
5.
34 – 2 =
32
4
2
3
|
6.
20 – 1 =
2
4
19
3
|
7.
31 + 11 =
4
2
42
3
|
8.
13 – 3 =
2
1
3
10
|
|
9.
45 – 30 =
2
1
3
15
|
10.
13 + 24 =
4
3
37
2
|
11.
35 + 14 =
2
49
4
3
|
12.
13 + 15 =
28
4
2
3
|
|
13.
21 – 18 =
2
3
4
1
|
14.
18 + 9 =
4
3
27
2
|
15.
25 + 8 =
2
4
3
33
|
16.
32 – 24 =
3
8
2
1
|
|
17.
26 – 21 =
5
3
2
1
|
18.
34 – 14 =
2
20
4
3
|
19.
20 – 15 =
3
2
5
1
|
20.
50 – 28 =
2
4
3
22
|
|
1.
12 + 3 =
2
1
15
3
|
2.
2 – 0 =
4
3
1
2
|
3.
40 + 10 =
50
4
2
3
|
4.
5 + 10 =
15
3
1
2
|
|
5.
34 – 2 =
32
4
2
3
|
6.
20 – 1 =
2
4
19
3
|
7.
31 + 11 =
4
2
42
3
|
8.
13 – 3 =
2
1
3
10
|
|
9.
45 – 30 =
2
1
3
15
|
10.
13 + 24 =
4
3
37
2
|
11.
35 + 14 =
2
49
4
3
|
12.
13 + 15 =
28
4
2
3
|
|
13.
21 – 18 =
2
3
4
1
|
14.
18 + 9 =
4
3
27
2
|
15.
25 + 8 =
2
4
3
33
|
16.
32 – 24 =
3
8
2
1
|
|
17.
26 – 21 =
5
3
2
1
|
18.
34 – 14 =
2
20
4
3
|
19.
20 – 15 =
3
2
5
1
|
20.
50 – 28 =
2
4
3
22
|