1.
20 + 1 =
21
2
3
4
|
2.
38 + 5 =
4
43
2
3
|
3.
7 – 1 =
1
6
2
3
|
4.
46 + 14 =
4
60
2
3
|
5.
81 – 50 =
31
4
2
3
|
6.
84 – 34 =
2
4
50
3
|
7.
10 + 75 =
2
3
4
85
|
8.
44 + 36 =
3
80
4
2
|
9.
72 – 64 =
1
8
2
3
|
10.
45 – 2 =
2
4
3
43
|
11.
9 + 84 =
93
2
3
4
|
12.
38 + 4 =
3
2
4
42
|
13.
90 – 33 =
2
57
3
4
|
14.
86 + 4 =
4
90
3
2
|
15.
67 + 2 =
2
3
4
69
|
16.
70 – 57 =
3
2
1
13
|
17.
18 – 1 =
4
17
2
3
|
18.
28 + 69 =
4
3
2
97
|
19.
6 – 1 =
3
1
2
5
|
20.
78 + 8 =
86
3
2
4
|
1.
20 + 1 =
21
2
3
4
|
2.
38 + 5 =
4
43
2
3
|
3.
7 – 1 =
1
6
2
3
|
4.
46 + 14 =
4
60
2
3
|
5.
81 – 50 =
31
4
2
3
|
6.
84 – 34 =
2
4
50
3
|
7.
10 + 75 =
2
3
4
85
|
8.
44 + 36 =
3
80
4
2
|
9.
72 – 64 =
1
8
2
3
|
10.
45 – 2 =
2
4
3
43
|
11.
9 + 84 =
93
2
3
4
|
12.
38 + 4 =
3
2
4
42
|
13.
90 – 33 =
2
57
3
4
|
14.
86 + 4 =
4
90
3
2
|
15.
67 + 2 =
2
3
4
69
|
16.
70 – 57 =
3
2
1
13
|
17.
18 – 1 =
4
17
2
3
|
18.
28 + 69 =
4
3
2
97
|
19.
6 – 1 =
3
1
2
5
|
20.
78 + 8 =
86
3
2
4
|