1.
57 + 32 =
2
89
|
2.
18 + 4 =
22
2
|
3.
56 – 0 =
2
56
|
4.
17 – 9 =
1
8
|
5.
59 + 33 =
92
2
|
6.
88 – 86 =
2
1
|
7.
63 + 3 =
2
66
|
8.
63 – 32 =
31
2
|
9.
60 + 4 =
2
64
|
10.
18 – 1 =
17
2
|
11.
24 + 75 =
99
2
|
12.
68 – 13 =
2
55
|
13.
9 – 0 =
9
1
|
14.
15 – 13 =
2
1
|
15.
29 – 5 =
24
2
|
16.
20 + 8 =
2
28
|
17.
72 + 19 =
2
91
|
18.
6 + 12 =
18
2
|
19.
47 – 45 =
1
2
|
20.
39 – 35 =
4
1
|
1.
57 + 32 =
2
89
|
2.
18 + 4 =
22
2
|
3.
56 – 0 =
2
56
|
4.
17 – 9 =
1
8
|
5.
59 + 33 =
92
2
|
6.
88 – 86 =
2
1
|
7.
63 + 3 =
2
66
|
8.
63 – 32 =
31
2
|
9.
60 + 4 =
2
64
|
10.
18 – 1 =
17
2
|
11.
24 + 75 =
99
2
|
12.
68 – 13 =
2
55
|
13.
9 – 0 =
9
1
|
14.
15 – 13 =
2
1
|
15.
29 – 5 =
24
2
|
16.
20 + 8 =
2
28
|
17.
72 + 19 =
2
91
|
18.
6 + 12 =
18
2
|
19.
47 – 45 =
1
2
|
20.
39 – 35 =
4
1
|