|
1.
31 + 13 =
44
2
|
2.
14 – 7 =
7
1
|
3.
27 + 10 =
2
37
|
4.
28 + 8 =
2
36
|
|
5.
8 – 4 =
4
1
|
6.
11 + 29 =
2
40
|
7.
15 + 9 =
2
24
|
8.
6 – 3 =
3
1
|
|
9.
24 – 8 =
16
2
|
10.
34 + 15 =
49
2
|
11.
15 – 15 =
2
0
|
12.
34 + 1 =
35
2
|
|
13.
49 + 0 =
2
49
|
14.
34 + 9 =
2
43
|
15.
22 + 9 =
2
31
|
16.
20 + 4 =
24
2
|
|
17.
31 – 22 =
9
1
|
18.
31 + 15 =
46
2
|
19.
10 – 4 =
6
1
|
20.
3 – 1 =
2
1
|
|
1.
31 + 13 =
44
2
|
2.
14 – 7 =
7
1
|
3.
27 + 10 =
2
37
|
4.
28 + 8 =
2
36
|
|
5.
8 – 4 =
4
1
|
6.
11 + 29 =
2
40
|
7.
15 + 9 =
2
24
|
8.
6 – 3 =
3
1
|
|
9.
24 – 8 =
16
2
|
10.
34 + 15 =
49
2
|
11.
15 – 15 =
2
0
|
12.
34 + 1 =
35
2
|
|
13.
49 + 0 =
2
49
|
14.
34 + 9 =
2
43
|
15.
22 + 9 =
2
31
|
16.
20 + 4 =
24
2
|
|
17.
31 – 22 =
9
1
|
18.
31 + 15 =
46
2
|
19.
10 – 4 =
6
1
|
20.
3 – 1 =
2
1
|