1.
90 + 3 =
3
4
2
93
|
2.
86 – 36 =
4
50
3
2
|
3.
69 + 28 =
3
2
4
97
|
4.
78 – 11 =
2
4
3
67
|
5.
70 – 67 =
4
1
3
2
|
6.
56 – 0 =
3
2
4
56
|
7.
80 + 1 =
81
4
3
2
|
8.
61 + 10 =
4
71
2
3
|
9.
1 + 96 =
2
4
3
97
|
10.
24 – 20 =
1
4
2
3
|
11.
67 + 5 =
2
3
4
72
|
12.
1 – 1 =
3
0
2
4
|
13.
52 – 1 =
51
4
3
2
|
14.
31 – 3 =
2
4
28
3
|
15.
35 + 7 =
3
42
2
4
|
16.
53 – 30 =
2
23
4
3
|
17.
11 + 70 =
3
81
2
4
|
18.
21 – 19 =
2
3
4
1
|
19.
27 – 10 =
2
17
3
4
|
20.
60 – 60 =
2
4
0
3
|
1.
90 + 3 =
3
4
2
93
|
2.
86 – 36 =
4
50
3
2
|
3.
69 + 28 =
3
2
4
97
|
4.
78 – 11 =
2
4
3
67
|
5.
70 – 67 =
4
1
3
2
|
6.
56 – 0 =
3
2
4
56
|
7.
80 + 1 =
81
4
3
2
|
8.
61 + 10 =
4
71
2
3
|
9.
1 + 96 =
2
4
3
97
|
10.
24 – 20 =
1
4
2
3
|
11.
67 + 5 =
2
3
4
72
|
12.
1 – 1 =
3
0
2
4
|
13.
52 – 1 =
51
4
3
2
|
14.
31 – 3 =
2
4
28
3
|
15.
35 + 7 =
3
42
2
4
|
16.
53 – 30 =
2
23
4
3
|
17.
11 + 70 =
3
81
2
4
|
18.
21 – 19 =
2
3
4
1
|
19.
27 – 10 =
2
17
3
4
|
20.
60 – 60 =
2
4
0
3
|