|
1.
18 – 12 =
1
3
2
6
|
2.
18 + 30 =
2
3
48
4
|
3.
29 + 12 =
2
4
41
3
|
4.
6 – 0 =
6
2
3
1
|
|
5.
20 – 3 =
3
2
4
17
|
6.
46 – 18 =
4
2
28
3
|
7.
16 – 16 =
0
4
3
2
|
8.
26 – 7 =
3
4
2
19
|
|
9.
6 – 1 =
5
2
1
3
|
10.
31 + 7 =
4
2
38
3
|
11.
34 – 13 =
3
4
2
21
|
12.
23 – 2 =
2
21
4
3
|
|
13.
3 + 33 =
3
4
36
2
|
14.
12 – 9 =
4
3
2
1
|
15.
42 – 39 =
3
4
2
1
|
16.
39 + 6 =
45
2
4
3
|
|
17.
25 + 11 =
3
4
2
36
|
18.
5 + 44 =
2
3
49
4
|
19.
34 + 4 =
4
3
38
2
|
20.
30 – 6 =
4
3
24
2
|
|
1.
18 – 12 =
1
3
2
6
|
2.
18 + 30 =
2
3
48
4
|
3.
29 + 12 =
2
4
41
3
|
4.
6 – 0 =
6
2
3
1
|
|
5.
20 – 3 =
3
2
4
17
|
6.
46 – 18 =
4
2
28
3
|
7.
16 – 16 =
0
4
3
2
|
8.
26 – 7 =
3
4
2
19
|
|
9.
6 – 1 =
5
2
1
3
|
10.
31 + 7 =
4
2
38
3
|
11.
34 – 13 =
3
4
2
21
|
12.
23 – 2 =
2
21
4
3
|
|
13.
3 + 33 =
3
4
36
2
|
14.
12 – 9 =
4
3
2
1
|
15.
42 – 39 =
3
4
2
1
|
16.
39 + 6 =
45
2
4
3
|
|
17.
25 + 11 =
3
4
2
36
|
18.
5 + 44 =
2
3
49
4
|
19.
34 + 4 =
4
3
38
2
|
20.
30 – 6 =
4
3
24
2
|