|
1.
39 + 3 =
42
2
|
2.
21 + 68 =
89
2
|
3.
47 + 18 =
65
2
|
4.
90 – 88 =
1
2
|
|
5.
57 – 16 =
41
2
|
6.
42 + 50 =
2
92
|
7.
31 + 51 =
2
82
|
8.
36 – 21 =
15
1
|
|
9.
19 + 63 =
2
82
|
10.
92 – 7 =
2
85
|
11.
60 + 6 =
66
2
|
12.
27 + 27 =
2
54
|
|
13.
86 – 72 =
14
1
|
14.
78 – 49 =
2
29
|
15.
58 + 23 =
81
2
|
16.
45 + 52 =
97
2
|
|
17.
11 – 9 =
2
1
|
18.
100 – 32 =
68
2
|
19.
56 – 46 =
10
1
|
20.
20 – 12 =
8
1
|
|
1.
39 + 3 =
42
2
|
2.
21 + 68 =
89
2
|
3.
47 + 18 =
65
2
|
4.
90 – 88 =
1
2
|
|
5.
57 – 16 =
41
2
|
6.
42 + 50 =
2
92
|
7.
31 + 51 =
2
82
|
8.
36 – 21 =
15
1
|
|
9.
19 + 63 =
2
82
|
10.
92 – 7 =
2
85
|
11.
60 + 6 =
66
2
|
12.
27 + 27 =
2
54
|
|
13.
86 – 72 =
14
1
|
14.
78 – 49 =
2
29
|
15.
58 + 23 =
81
2
|
16.
45 + 52 =
97
2
|
|
17.
11 – 9 =
2
1
|
18.
100 – 32 =
68
2
|
19.
56 – 46 =
10
1
|
20.
20 – 12 =
8
1
|