1.
71 + 10 =
2
81
|
2.
94 – 1 =
93
2
|
3.
43 – 25 =
18
2
|
4.
28 + 37 =
65
2
|
5.
16 + 80 =
96
2
|
6.
49 + 19 =
2
68
|
7.
54 + 5 =
2
59
|
8.
20 – 7 =
1
13
|
9.
28 – 3 =
2
25
|
10.
58 + 19 =
2
77
|
11.
17 – 9 =
8
1
|
12.
29 + 12 =
41
2
|
13.
97 – 27 =
2
70
|
14.
88 – 70 =
18
2
|
15.
50 – 20 =
2
30
|
16.
24 + 51 =
2
75
|
17.
11 + 0 =
1
11
|
18.
60 – 53 =
7
1
|
19.
82 – 39 =
43
2
|
20.
29 + 1 =
30
2
|
1.
71 + 10 =
2
81
|
2.
94 – 1 =
93
2
|
3.
43 – 25 =
18
2
|
4.
28 + 37 =
65
2
|
5.
16 + 80 =
96
2
|
6.
49 + 19 =
2
68
|
7.
54 + 5 =
2
59
|
8.
20 – 7 =
1
13
|
9.
28 – 3 =
2
25
|
10.
58 + 19 =
2
77
|
11.
17 – 9 =
8
1
|
12.
29 + 12 =
41
2
|
13.
97 – 27 =
2
70
|
14.
88 – 70 =
18
2
|
15.
50 – 20 =
2
30
|
16.
24 + 51 =
2
75
|
17.
11 + 0 =
1
11
|
18.
60 – 53 =
7
1
|
19.
82 – 39 =
43
2
|
20.
29 + 1 =
30
2
|