|
1.
11 + 27 =
38
2
|
2.
17 – 2 =
15
1
|
3.
29 – 7 =
22
2
|
4.
2 – 2 =
2
0
|
|
5.
4 – 1 =
1
3
|
6.
8 – 5 =
1
3
|
7.
20 – 4 =
16
2
|
8.
29 + 6 =
2
35
|
|
9.
5 – 1 =
1
4
|
10.
2 + 15 =
2
17
|
11.
36 – 32 =
4
1
|
12.
9 + 12 =
21
2
|
|
13.
31 + 7 =
38
2
|
14.
38 + 11 =
2
49
|
15.
18 – 10 =
8
1
|
16.
8 – 8 =
2
0
|
|
17.
48 – 41 =
7
1
|
18.
35 + 7 =
42
2
|
19.
18 + 17 =
35
2
|
20.
36 + 14 =
50
2
|
|
1.
11 + 27 =
38
2
|
2.
17 – 2 =
15
1
|
3.
29 – 7 =
22
2
|
4.
2 – 2 =
2
0
|
|
5.
4 – 1 =
1
3
|
6.
8 – 5 =
1
3
|
7.
20 – 4 =
16
2
|
8.
29 + 6 =
2
35
|
|
9.
5 – 1 =
1
4
|
10.
2 + 15 =
2
17
|
11.
36 – 32 =
4
1
|
12.
9 + 12 =
21
2
|
|
13.
31 + 7 =
38
2
|
14.
38 + 11 =
2
49
|
15.
18 – 10 =
8
1
|
16.
8 – 8 =
2
0
|
|
17.
48 – 41 =
7
1
|
18.
35 + 7 =
42
2
|
19.
18 + 17 =
35
2
|
20.
36 + 14 =
50
2
|