|
1.
70 – 15 =
55
2
|
2.
30 – 18 =
12
1
|
3.
22 + 40 =
62
2
|
4.
26 + 36 =
62
2
|
|
5.
37 – 5 =
2
32
|
6.
54 – 7 =
47
2
|
7.
27 + 37 =
2
64
|
8.
8 + 12 =
20
2
|
|
9.
22 – 4 =
18
2
|
10.
72 + 15 =
2
87
|
11.
35 – 23 =
12
1
|
12.
73 – 52 =
21
2
|
|
13.
88 – 83 =
5
1
|
14.
2 + 40 =
2
42
|
15.
11 + 78 =
2
89
|
16.
9 – 1 =
8
1
|
|
17.
36 + 54 =
90
2
|
18.
57 – 34 =
2
23
|
19.
93 – 80 =
1
13
|
20.
57 – 39 =
2
18
|
|
1.
70 – 15 =
55
2
|
2.
30 – 18 =
12
1
|
3.
22 + 40 =
62
2
|
4.
26 + 36 =
62
2
|
|
5.
37 – 5 =
2
32
|
6.
54 – 7 =
47
2
|
7.
27 + 37 =
2
64
|
8.
8 + 12 =
20
2
|
|
9.
22 – 4 =
18
2
|
10.
72 + 15 =
2
87
|
11.
35 – 23 =
12
1
|
12.
73 – 52 =
21
2
|
|
13.
88 – 83 =
5
1
|
14.
2 + 40 =
2
42
|
15.
11 + 78 =
2
89
|
16.
9 – 1 =
8
1
|
|
17.
36 + 54 =
90
2
|
18.
57 – 34 =
2
23
|
19.
93 – 80 =
1
13
|
20.
57 – 39 =
2
18
|