|
1.
51 + 46 =
97
2
|
2.
70 + 11 =
81
2
|
3.
51 – 23 =
2
28
|
4.
12 + 5 =
17
2
|
|
5.
36 + 22 =
58
2
|
6.
88 + 7 =
2
95
|
7.
6 + 21 =
27
2
|
8.
60 – 53 =
1
7
|
|
9.
62 – 47 =
15
1
|
10.
35 + 1 =
2
36
|
11.
76 – 72 =
4
1
|
12.
70 + 4 =
2
74
|
|
13.
88 – 43 =
2
45
|
14.
1 – 1 =
2
0
|
15.
81 – 11 =
70
2
|
16.
37 – 13 =
2
24
|
|
17.
28 – 5 =
23
2
|
18.
5 – 4 =
2
1
|
19.
91 – 21 =
2
70
|
20.
76 + 13 =
2
89
|
|
1.
51 + 46 =
97
2
|
2.
70 + 11 =
81
2
|
3.
51 – 23 =
2
28
|
4.
12 + 5 =
17
2
|
|
5.
36 + 22 =
58
2
|
6.
88 + 7 =
2
95
|
7.
6 + 21 =
27
2
|
8.
60 – 53 =
1
7
|
|
9.
62 – 47 =
15
1
|
10.
35 + 1 =
2
36
|
11.
76 – 72 =
4
1
|
12.
70 + 4 =
2
74
|
|
13.
88 – 43 =
2
45
|
14.
1 – 1 =
2
0
|
15.
81 – 11 =
70
2
|
16.
37 – 13 =
2
24
|
|
17.
28 – 5 =
23
2
|
18.
5 – 4 =
2
1
|
19.
91 – 21 =
2
70
|
20.
76 + 13 =
2
89
|