1.
66 – 5 =
2
61
4
3
|
2.
74 + 16 =
4
2
3
90
|
3.
51 + 15 =
2
3
66
4
|
4.
68 + 0 =
2
68
3
4
|
5.
21 + 33 =
54
4
2
3
|
6.
15 + 2 =
4
17
3
2
|
7.
62 + 0 =
2
62
4
3
|
8.
8 + 19 =
3
2
4
27
|
9.
51 + 1 =
3
4
52
2
|
10.
83 – 39 =
4
3
2
44
|
11.
57 – 7 =
4
50
2
3
|
12.
69 – 6 =
2
3
4
63
|
13.
50 + 16 =
4
2
3
66
|
14.
44 + 20 =
4
3
64
2
|
15.
23 – 19 =
4
2
3
1
|
16.
51 + 27 =
2
3
78
4
|
17.
47 – 4 =
4
3
43
2
|
18.
68 + 8 =
2
4
76
3
|
19.
33 + 44 =
4
3
2
77
|
20.
82 + 10 =
2
3
92
4
|
1.
66 – 5 =
2
61
4
3
|
2.
74 + 16 =
4
2
3
90
|
3.
51 + 15 =
2
3
66
4
|
4.
68 + 0 =
2
68
3
4
|
5.
21 + 33 =
54
4
2
3
|
6.
15 + 2 =
4
17
3
2
|
7.
62 + 0 =
2
62
4
3
|
8.
8 + 19 =
3
2
4
27
|
9.
51 + 1 =
3
4
52
2
|
10.
83 – 39 =
4
3
2
44
|
11.
57 – 7 =
4
50
2
3
|
12.
69 – 6 =
2
3
4
63
|
13.
50 + 16 =
4
2
3
66
|
14.
44 + 20 =
4
3
64
2
|
15.
23 – 19 =
4
2
3
1
|
16.
51 + 27 =
2
3
78
4
|
17.
47 – 4 =
4
3
43
2
|
18.
68 + 8 =
2
4
76
3
|
19.
33 + 44 =
4
3
2
77
|
20.
82 + 10 =
2
3
92
4
|