|
1.
36 – 4 =
32
2
|
2.
21 – 0 =
2
21
|
3.
25 + 3 =
2
28
|
4.
8 – 1 =
7
1
|
|
5.
17 – 13 =
1
4
|
6.
27 + 20 =
2
47
|
7.
7 + 13 =
20
2
|
8.
18 – 17 =
1
2
|
|
9.
27 – 2 =
2
25
|
10.
2 – 2 =
0
2
|
11.
20 – 6 =
1
14
|
12.
4 + 43 =
47
2
|
|
13.
8 + 1 =
1
9
|
14.
7 + 41 =
48
2
|
15.
49 – 13 =
2
36
|
16.
31 – 3 =
28
2
|
|
17.
10 – 9 =
1
2
|
18.
46 + 4 =
50
2
|
19.
47 + 2 =
49
2
|
20.
22 – 16 =
1
6
|
|
1.
36 – 4 =
32
2
|
2.
21 – 0 =
2
21
|
3.
25 + 3 =
2
28
|
4.
8 – 1 =
7
1
|
|
5.
17 – 13 =
1
4
|
6.
27 + 20 =
2
47
|
7.
7 + 13 =
20
2
|
8.
18 – 17 =
1
2
|
|
9.
27 – 2 =
2
25
|
10.
2 – 2 =
0
2
|
11.
20 – 6 =
1
14
|
12.
4 + 43 =
47
2
|
|
13.
8 + 1 =
1
9
|
14.
7 + 41 =
48
2
|
15.
49 – 13 =
2
36
|
16.
31 – 3 =
28
2
|
|
17.
10 – 9 =
1
2
|
18.
46 + 4 =
50
2
|
19.
47 + 2 =
49
2
|
20.
22 – 16 =
1
6
|