1.
31 – 14 =
17
2
4
3
|
2.
8 – 7 =
4
1
3
2
|
3.
25 + 72 =
4
3
97
2
|
4.
9 + 41 =
3
4
2
50
|
5.
32 + 4 =
4
3
2
36
|
6.
81 + 12 =
93
3
2
4
|
7.
19 + 77 =
2
96
4
3
|
8.
25 + 35 =
2
3
60
4
|
9.
18 + 78 =
3
96
2
4
|
10.
7 – 4 =
1
4
3
2
|
11.
90 – 17 =
3
73
4
2
|
12.
8 + 36 =
44
2
3
4
|
13.
59 + 25 =
84
3
2
4
|
14.
31 + 36 =
3
2
4
67
|
15.
10 + 12 =
4
22
3
2
|
16.
67 + 18 =
3
85
2
4
|
17.
29 + 4 =
2
4
33
3
|
18.
60 – 46 =
14
3
1
2
|
19.
74 – 55 =
3
19
2
4
|
20.
61 + 22 =
3
2
4
83
|
1.
31 – 14 =
17
2
4
3
|
2.
8 – 7 =
4
1
3
2
|
3.
25 + 72 =
4
3
97
2
|
4.
9 + 41 =
3
4
2
50
|
5.
32 + 4 =
4
3
2
36
|
6.
81 + 12 =
93
3
2
4
|
7.
19 + 77 =
2
96
4
3
|
8.
25 + 35 =
2
3
60
4
|
9.
18 + 78 =
3
96
2
4
|
10.
7 – 4 =
1
4
3
2
|
11.
90 – 17 =
3
73
4
2
|
12.
8 + 36 =
44
2
3
4
|
13.
59 + 25 =
84
3
2
4
|
14.
31 + 36 =
3
2
4
67
|
15.
10 + 12 =
4
22
3
2
|
16.
67 + 18 =
3
85
2
4
|
17.
29 + 4 =
2
4
33
3
|
18.
60 – 46 =
14
3
1
2
|
19.
74 – 55 =
3
19
2
4
|
20.
61 + 22 =
3
2
4
83
|