|
1.
30 + 31 =
3
4
2
61
|
2.
39 – 35 =
3
2
1
4
|
3.
3 – 0 =
3
1
2
4
|
4.
39 – 8 =
4
3
2
31
|
|
5.
37 – 23 =
2
1
3
14
|
6.
65 – 43 =
4
22
2
3
|
7.
100 – 50 =
2
50
3
4
|
8.
55 + 31 =
2
86
3
4
|
|
9.
71 – 10 =
4
2
3
61
|
10.
34 + 8 =
4
3
42
2
|
11.
21 – 16 =
1
2
3
5
|
12.
97 + 3 =
100
3
4
2
|
|
13.
91 + 1 =
3
2
4
92
|
14.
64 – 28 =
4
36
3
2
|
15.
59 + 40 =
2
4
3
99
|
16.
35 + 4 =
4
2
39
3
|
|
17.
89 – 0 =
3
4
89
2
|
18.
94 – 73 =
21
4
2
3
|
19.
20 + 30 =
4
2
3
50
|
20.
55 – 8 =
4
2
3
47
|
|
1.
30 + 31 =
3
4
2
61
|
2.
39 – 35 =
3
2
1
4
|
3.
3 – 0 =
3
1
2
4
|
4.
39 – 8 =
4
3
2
31
|
|
5.
37 – 23 =
2
1
3
14
|
6.
65 – 43 =
4
22
2
3
|
7.
100 – 50 =
2
50
3
4
|
8.
55 + 31 =
2
86
3
4
|
|
9.
71 – 10 =
4
2
3
61
|
10.
34 + 8 =
4
3
42
2
|
11.
21 – 16 =
1
2
3
5
|
12.
97 + 3 =
100
3
4
2
|
|
13.
91 + 1 =
3
2
4
92
|
14.
64 – 28 =
4
36
3
2
|
15.
59 + 40 =
2
4
3
99
|
16.
35 + 4 =
4
2
39
3
|
|
17.
89 – 0 =
3
4
89
2
|
18.
94 – 73 =
21
4
2
3
|
19.
20 + 30 =
4
2
3
50
|
20.
55 – 8 =
4
2
3
47
|