|
1.
13 – 9 =
4
2
3
1
|
2.
20 + 23 =
3
2
4
43
|
3.
4 + 10 =
14
3
1
2
|
4.
28 + 9 =
4
2
3
37
|
|
5.
40 + 3 =
43
3
2
4
|
6.
4 – 1 =
1
2
3
4
|
7.
37 + 8 =
45
4
2
3
|
8.
44 + 6 =
3
4
2
50
|
|
9.
10 + 19 =
3
29
4
2
|
10.
25 – 10 =
2
3
1
15
|
11.
4 – 2 =
2
4
3
1
|
12.
8 – 8 =
2
4
3
0
|
|
13.
6 – 1 =
5
1
2
3
|
14.
50 + 0 =
3
4
2
50
|
15.
16 + 33 =
2
49
3
4
|
16.
1 – 1 =
4
3
0
2
|
|
17.
30 + 0 =
2
3
4
30
|
18.
28 – 17 =
2
11
3
1
|
19.
25 – 19 =
3
1
2
6
|
20.
5 + 43 =
48
2
3
4
|
|
1.
13 – 9 =
4
2
3
1
|
2.
20 + 23 =
3
2
4
43
|
3.
4 + 10 =
14
3
1
2
|
4.
28 + 9 =
4
2
3
37
|
|
5.
40 + 3 =
43
3
2
4
|
6.
4 – 1 =
1
2
3
4
|
7.
37 + 8 =
45
4
2
3
|
8.
44 + 6 =
3
4
2
50
|
|
9.
10 + 19 =
3
29
4
2
|
10.
25 – 10 =
2
3
1
15
|
11.
4 – 2 =
2
4
3
1
|
12.
8 – 8 =
2
4
3
0
|
|
13.
6 – 1 =
5
1
2
3
|
14.
50 + 0 =
3
4
2
50
|
15.
16 + 33 =
2
49
3
4
|
16.
1 – 1 =
4
3
0
2
|
|
17.
30 + 0 =
2
3
4
30
|
18.
28 – 17 =
2
11
3
1
|
19.
25 – 19 =
3
1
2
6
|
20.
5 + 43 =
48
2
3
4
|