|
1.
73 – 52 =
21
2
|
2.
34 + 9 =
2
43
|
3.
8 + 76 =
84
2
|
4.
42 + 57 =
99
2
|
|
5.
42 + 21 =
2
63
|
6.
15 – 11 =
1
4
|
7.
13 + 40 =
2
53
|
8.
23 – 9 =
1
14
|
|
9.
31 – 2 =
29
2
|
10.
11 – 3 =
1
8
|
11.
28 – 14 =
14
1
|
12.
52 – 8 =
44
2
|
|
13.
30 – 14 =
2
16
|
14.
26 – 13 =
1
13
|
15.
32 – 12 =
2
20
|
16.
96 – 93 =
3
1
|
|
17.
17 + 45 =
2
62
|
18.
47 + 25 =
72
2
|
19.
36 – 29 =
7
1
|
20.
68 – 9 =
2
59
|
|
1.
73 – 52 =
21
2
|
2.
34 + 9 =
2
43
|
3.
8 + 76 =
84
2
|
4.
42 + 57 =
99
2
|
|
5.
42 + 21 =
2
63
|
6.
15 – 11 =
1
4
|
7.
13 + 40 =
2
53
|
8.
23 – 9 =
1
14
|
|
9.
31 – 2 =
29
2
|
10.
11 – 3 =
1
8
|
11.
28 – 14 =
14
1
|
12.
52 – 8 =
44
2
|
|
13.
30 – 14 =
2
16
|
14.
26 – 13 =
1
13
|
15.
32 – 12 =
2
20
|
16.
96 – 93 =
3
1
|
|
17.
17 + 45 =
2
62
|
18.
47 + 25 =
72
2
|
19.
36 – 29 =
7
1
|
20.
68 – 9 =
2
59
|