1.
87 + 1 =
88
2
|
2.
78 + 16 =
2
94
|
3.
68 – 28 =
2
40
|
4.
11 – 0 =
1
11
|
5.
11 – 2 =
9
1
|
6.
85 – 81 =
4
1
|
7.
75 + 24 =
2
99
|
8.
36 – 7 =
29
2
|
9.
61 + 9 =
2
70
|
10.
75 + 7 =
2
82
|
11.
37 – 14 =
2
23
|
12.
40 + 58 =
2
98
|
13.
12 – 3 =
9
1
|
14.
15 – 1 =
14
1
|
15.
50 + 50 =
2
100
|
16.
71 – 55 =
2
16
|
17.
49 + 24 =
2
73
|
18.
79 + 8 =
87
2
|
19.
48 – 26 =
2
22
|
20.
68 + 9 =
2
77
|
1.
87 + 1 =
88
2
|
2.
78 + 16 =
2
94
|
3.
68 – 28 =
2
40
|
4.
11 – 0 =
1
11
|
5.
11 – 2 =
9
1
|
6.
85 – 81 =
4
1
|
7.
75 + 24 =
2
99
|
8.
36 – 7 =
29
2
|
9.
61 + 9 =
2
70
|
10.
75 + 7 =
2
82
|
11.
37 – 14 =
2
23
|
12.
40 + 58 =
2
98
|
13.
12 – 3 =
9
1
|
14.
15 – 1 =
14
1
|
15.
50 + 50 =
2
100
|
16.
71 – 55 =
2
16
|
17.
49 + 24 =
2
73
|
18.
79 + 8 =
87
2
|
19.
48 – 26 =
2
22
|
20.
68 + 9 =
2
77
|