|
1.
45 – 39 =
6
3
2
1
|
2.
32 + 6 =
38
4
2
3
|
3.
23 – 23 =
2
4
0
3
|
4.
7 + 24 =
31
2
3
4
|
|
5.
17 – 1 =
2
3
16
4
|
6.
7 – 6 =
1
4
3
2
|
7.
48 – 5 =
3
4
43
2
|
8.
5 – 4 =
3
1
4
2
|
|
9.
10 + 20 =
4
3
30
2
|
10.
29 + 8 =
3
4
37
2
|
11.
3 + 23 =
26
2
4
3
|
12.
48 – 2 =
2
4
3
46
|
|
13.
2 – 2 =
4
2
3
0
|
14.
4 + 21 =
4
25
3
2
|
15.
29 – 20 =
9
1
2
3
|
16.
21 + 26 =
47
2
3
4
|
|
17.
30 + 12 =
3
4
2
42
|
18.
19 + 6 =
25
4
2
3
|
19.
2 + 26 =
2
4
28
3
|
20.
20 + 7 =
3
27
2
4
|
|
1.
45 – 39 =
6
3
2
1
|
2.
32 + 6 =
38
4
2
3
|
3.
23 – 23 =
2
4
0
3
|
4.
7 + 24 =
31
2
3
4
|
|
5.
17 – 1 =
2
3
16
4
|
6.
7 – 6 =
1
4
3
2
|
7.
48 – 5 =
3
4
43
2
|
8.
5 – 4 =
3
1
4
2
|
|
9.
10 + 20 =
4
3
30
2
|
10.
29 + 8 =
3
4
37
2
|
11.
3 + 23 =
26
2
4
3
|
12.
48 – 2 =
2
4
3
46
|
|
13.
2 – 2 =
4
2
3
0
|
14.
4 + 21 =
4
25
3
2
|
15.
29 – 20 =
9
1
2
3
|
16.
21 + 26 =
47
2
3
4
|
|
17.
30 + 12 =
3
4
2
42
|
18.
19 + 6 =
25
4
2
3
|
19.
2 + 26 =
2
4
28
3
|
20.
20 + 7 =
3
27
2
4
|