1.
37 – 23 =
14
2
3
1
|
2.
3 – 0 =
1
2
4
3
|
3.
87 – 60 =
3
27
2
4
|
4.
50 + 21 =
2
71
3
4
|
5.
70 – 56 =
3
1
2
14
|
6.
61 + 19 =
80
2
4
3
|
7.
49 – 11 =
4
2
38
3
|
8.
100 – 51 =
49
4
2
3
|
9.
51 + 2 =
3
2
53
4
|
10.
29 + 41 =
2
3
4
70
|
11.
52 – 20 =
4
2
32
3
|
12.
54 + 18 =
4
3
2
72
|
13.
3 + 42 =
45
3
2
4
|
14.
92 + 8 =
4
3
2
100
|
15.
6 + 83 =
2
4
3
89
|
16.
92 + 7 =
4
99
2
3
|
17.
4 – 3 =
3
2
1
4
|
18.
34 – 29 =
3
2
5
1
|
19.
22 + 32 =
3
54
2
4
|
20.
32 + 15 =
2
4
3
47
|
1.
37 – 23 =
14
2
3
1
|
2.
3 – 0 =
1
2
4
3
|
3.
87 – 60 =
3
27
2
4
|
4.
50 + 21 =
2
71
3
4
|
5.
70 – 56 =
3
1
2
14
|
6.
61 + 19 =
80
2
4
3
|
7.
49 – 11 =
4
2
38
3
|
8.
100 – 51 =
49
4
2
3
|
9.
51 + 2 =
3
2
53
4
|
10.
29 + 41 =
2
3
4
70
|
11.
52 – 20 =
4
2
32
3
|
12.
54 + 18 =
4
3
2
72
|
13.
3 + 42 =
45
3
2
4
|
14.
92 + 8 =
4
3
2
100
|
15.
6 + 83 =
2
4
3
89
|
16.
92 + 7 =
4
99
2
3
|
17.
4 – 3 =
3
2
1
4
|
18.
34 – 29 =
3
2
5
1
|
19.
22 + 32 =
3
54
2
4
|
20.
32 + 15 =
2
4
3
47
|