|
1.
45 + 9 =
2
54
|
2.
17 – 4 =
13
1
|
3.
31 – 11 =
2
20
|
4.
26 + 27 =
2
53
|
|
5.
2 – 1 =
2
1
|
6.
19 – 15 =
1
4
|
7.
77 – 68 =
9
1
|
8.
23 + 75 =
98
2
|
|
9.
37 + 61 =
98
2
|
10.
96 – 38 =
58
2
|
11.
53 – 49 =
4
1
|
12.
59 – 17 =
42
2
|
|
13.
47 + 15 =
62
2
|
14.
41 – 23 =
2
18
|
15.
29 – 25 =
1
4
|
16.
39 – 0 =
2
39
|
|
17.
69 + 22 =
91
2
|
18.
12 + 46 =
58
2
|
19.
39 – 11 =
2
28
|
20.
25 – 10 =
15
1
|
|
1.
45 + 9 =
2
54
|
2.
17 – 4 =
13
1
|
3.
31 – 11 =
2
20
|
4.
26 + 27 =
2
53
|
|
5.
2 – 1 =
2
1
|
6.
19 – 15 =
1
4
|
7.
77 – 68 =
9
1
|
8.
23 + 75 =
98
2
|
|
9.
37 + 61 =
98
2
|
10.
96 – 38 =
58
2
|
11.
53 – 49 =
4
1
|
12.
59 – 17 =
42
2
|
|
13.
47 + 15 =
62
2
|
14.
41 – 23 =
2
18
|
15.
29 – 25 =
1
4
|
16.
39 – 0 =
2
39
|
|
17.
69 + 22 =
91
2
|
18.
12 + 46 =
58
2
|
19.
39 – 11 =
2
28
|
20.
25 – 10 =
15
1
|