1.
57 + 40 =
97
2
4
3
|
2.
16 + 15 =
3
2
31
4
|
3.
17 + 71 =
3
4
2
88
|
4.
86 + 8 =
2
94
4
3
|
5.
30 + 39 =
4
69
2
3
|
6.
40 – 36 =
3
4
2
1
|
7.
90 + 9 =
4
2
99
3
|
8.
70 – 44 =
2
3
4
26
|
9.
71 + 19 =
4
3
90
2
|
10.
68 – 31 =
3
37
2
4
|
11.
64 – 10 =
2
54
4
3
|
12.
34 – 34 =
2
3
4
0
|
13.
85 – 16 =
69
3
4
2
|
14.
65 – 29 =
36
4
2
3
|
15.
46 – 28 =
2
4
3
18
|
16.
58 + 18 =
4
76
3
2
|
17.
90 + 10 =
4
100
2
3
|
18.
53 – 34 =
2
4
3
19
|
19.
96 – 25 =
2
3
4
71
|
20.
15 – 4 =
3
11
2
1
|
1.
57 + 40 =
97
2
4
3
|
2.
16 + 15 =
3
2
31
4
|
3.
17 + 71 =
3
4
2
88
|
4.
86 + 8 =
2
94
4
3
|
5.
30 + 39 =
4
69
2
3
|
6.
40 – 36 =
3
4
2
1
|
7.
90 + 9 =
4
2
99
3
|
8.
70 – 44 =
2
3
4
26
|
9.
71 + 19 =
4
3
90
2
|
10.
68 – 31 =
3
37
2
4
|
11.
64 – 10 =
2
54
4
3
|
12.
34 – 34 =
2
3
4
0
|
13.
85 – 16 =
69
3
4
2
|
14.
65 – 29 =
36
4
2
3
|
15.
46 – 28 =
2
4
3
18
|
16.
58 + 18 =
4
76
3
2
|
17.
90 + 10 =
4
100
2
3
|
18.
53 – 34 =
2
4
3
19
|
19.
96 – 25 =
2
3
4
71
|
20.
15 – 4 =
3
11
2
1
|