|
1.
2 – 1 =
1
2
3
4
|
2.
35 – 26 =
1
3
2
9
|
3.
12 + 9 =
2
4
21
3
|
4.
14 – 13 =
1
4
2
3
|
|
5.
24 – 14 =
1
2
10
3
|
6.
18 – 18 =
4
2
0
3
|
7.
38 + 3 =
4
2
41
3
|
8.
2 – 0 =
4
1
3
2
|
|
9.
13 – 3 =
3
1
2
10
|
10.
4 + 46 =
3
4
50
2
|
11.
23 – 0 =
4
23
2
3
|
12.
2 – 1 =
2
1
4
3
|
|
13.
15 + 20 =
4
35
3
2
|
14.
26 – 0 =
3
2
4
26
|
15.
47 – 16 =
31
2
3
4
|
16.
28 + 0 =
2
4
28
3
|
|
17.
47 – 18 =
4
29
2
3
|
18.
9 – 7 =
3
2
4
1
|
19.
33 – 15 =
4
18
3
2
|
20.
13 + 1 =
1
3
14
2
|
|
1.
2 – 1 =
1
2
3
4
|
2.
35 – 26 =
1
3
2
9
|
3.
12 + 9 =
2
4
21
3
|
4.
14 – 13 =
1
4
2
3
|
|
5.
24 – 14 =
1
2
10
3
|
6.
18 – 18 =
4
2
0
3
|
7.
38 + 3 =
4
2
41
3
|
8.
2 – 0 =
4
1
3
2
|
|
9.
13 – 3 =
3
1
2
10
|
10.
4 + 46 =
3
4
50
2
|
11.
23 – 0 =
4
23
2
3
|
12.
2 – 1 =
2
1
4
3
|
|
13.
15 + 20 =
4
35
3
2
|
14.
26 – 0 =
3
2
4
26
|
15.
47 – 16 =
31
2
3
4
|
16.
28 + 0 =
2
4
28
3
|
|
17.
47 – 18 =
4
29
2
3
|
18.
9 – 7 =
3
2
4
1
|
19.
33 – 15 =
4
18
3
2
|
20.
13 + 1 =
1
3
14
2
|