|
1.
77 – 20 =
2
57
|
2.
37 + 22 =
59
2
|
3.
52 – 11 =
41
2
|
4.
82 + 10 =
92
2
|
|
5.
51 + 38 =
2
89
|
6.
69 – 48 =
21
2
|
7.
47 – 39 =
1
8
|
8.
89 – 0 =
89
2
|
|
9.
5 + 3 =
1
8
|
10.
53 – 34 =
2
19
|
11.
5 + 90 =
2
95
|
12.
60 + 27 =
2
87
|
|
13.
45 – 10 =
2
35
|
14.
37 + 29 =
66
2
|
15.
74 + 2 =
2
76
|
16.
70 – 19 =
2
51
|
|
17.
6 – 5 =
1
2
|
18.
13 – 9 =
4
1
|
19.
96 – 77 =
19
2
|
20.
76 + 18 =
2
94
|
|
1.
77 – 20 =
2
57
|
2.
37 + 22 =
59
2
|
3.
52 – 11 =
41
2
|
4.
82 + 10 =
92
2
|
|
5.
51 + 38 =
2
89
|
6.
69 – 48 =
21
2
|
7.
47 – 39 =
1
8
|
8.
89 – 0 =
89
2
|
|
9.
5 + 3 =
1
8
|
10.
53 – 34 =
2
19
|
11.
5 + 90 =
2
95
|
12.
60 + 27 =
2
87
|
|
13.
45 – 10 =
2
35
|
14.
37 + 29 =
66
2
|
15.
74 + 2 =
2
76
|
16.
70 – 19 =
2
51
|
|
17.
6 – 5 =
1
2
|
18.
13 – 9 =
4
1
|
19.
96 – 77 =
19
2
|
20.
76 + 18 =
2
94
|