|
1.
7 – 0 =
7
1
|
2.
15 + 3 =
2
18
|
3.
27 – 9 =
2
18
|
4.
10 + 35 =
2
45
|
|
5.
24 – 9 =
1
15
|
6.
29 + 21 =
2
50
|
7.
28 – 2 =
26
2
|
8.
10 + 37 =
2
47
|
|
9.
24 – 15 =
1
9
|
10.
35 – 0 =
35
2
|
11.
7 + 31 =
2
38
|
12.
15 – 3 =
12
1
|
|
13.
14 + 9 =
23
2
|
14.
39 + 1 =
40
2
|
15.
5 + 17 =
2
22
|
16.
20 – 3 =
2
17
|
|
17.
18 + 10 =
2
28
|
18.
25 – 21 =
4
1
|
19.
9 – 9 =
0
2
|
20.
34 – 12 =
2
22
|
|
1.
7 – 0 =
7
1
|
2.
15 + 3 =
2
18
|
3.
27 – 9 =
2
18
|
4.
10 + 35 =
2
45
|
|
5.
24 – 9 =
1
15
|
6.
29 + 21 =
2
50
|
7.
28 – 2 =
26
2
|
8.
10 + 37 =
2
47
|
|
9.
24 – 15 =
1
9
|
10.
35 – 0 =
35
2
|
11.
7 + 31 =
2
38
|
12.
15 – 3 =
12
1
|
|
13.
14 + 9 =
23
2
|
14.
39 + 1 =
40
2
|
15.
5 + 17 =
2
22
|
16.
20 – 3 =
2
17
|
|
17.
18 + 10 =
2
28
|
18.
25 – 21 =
4
1
|
19.
9 – 9 =
0
2
|
20.
34 – 12 =
2
22
|