|
1.
18 + 23 =
3
2
4
41
|
2.
3 + 6 =
1
2
9
3
|
3.
11 + 31 =
3
42
2
4
|
4.
48 – 34 =
1
14
3
2
|
|
5.
28 – 7 =
2
21
3
4
|
6.
17 + 16 =
2
33
3
4
|
7.
20 + 25 =
45
4
3
2
|
8.
28 + 14 =
2
4
3
42
|
|
9.
29 + 18 =
2
3
4
47
|
10.
21 – 7 =
1
3
2
14
|
11.
34 + 7 =
41
3
4
2
|
12.
15 + 35 =
4
50
2
3
|
|
13.
4 + 17 =
4
2
3
21
|
14.
14 + 17 =
31
4
2
3
|
15.
49 – 45 =
2
3
1
4
|
16.
13 + 27 =
2
40
3
4
|
|
17.
7 – 5 =
3
4
1
2
|
18.
39 – 39 =
2
3
4
0
|
19.
11 + 28 =
39
4
2
3
|
20.
37 – 22 =
3
15
1
2
|
|
1.
18 + 23 =
3
2
4
41
|
2.
3 + 6 =
1
2
9
3
|
3.
11 + 31 =
3
42
2
4
|
4.
48 – 34 =
1
14
3
2
|
|
5.
28 – 7 =
2
21
3
4
|
6.
17 + 16 =
2
33
3
4
|
7.
20 + 25 =
45
4
3
2
|
8.
28 + 14 =
2
4
3
42
|
|
9.
29 + 18 =
2
3
4
47
|
10.
21 – 7 =
1
3
2
14
|
11.
34 + 7 =
41
3
4
2
|
12.
15 + 35 =
4
50
2
3
|
|
13.
4 + 17 =
4
2
3
21
|
14.
14 + 17 =
31
4
2
3
|
15.
49 – 45 =
2
3
1
4
|
16.
13 + 27 =
2
40
3
4
|
|
17.
7 – 5 =
3
4
1
2
|
18.
39 – 39 =
2
3
4
0
|
19.
11 + 28 =
39
4
2
3
|
20.
37 – 22 =
3
15
1
2
|