|
1.
21 – 10 =
11
1
|
2.
14 + 27 =
41
2
|
3.
30 + 20 =
50
2
|
4.
46 – 33 =
1
13
|
|
5.
9 – 1 =
8
1
|
6.
2 + 4 =
6
1
|
7.
46 + 2 =
2
48
|
8.
24 – 11 =
1
13
|
|
9.
2 + 33 =
2
35
|
10.
18 + 30 =
2
48
|
11.
42 + 3 =
45
2
|
12.
22 – 1 =
2
21
|
|
13.
40 + 2 =
2
42
|
14.
7 + 7 =
14
1
|
15.
8 – 4 =
1
4
|
16.
19 + 1 =
2
20
|
|
17.
25 + 23 =
2
48
|
18.
28 – 28 =
0
2
|
19.
41 – 1 =
2
40
|
20.
19 + 17 =
2
36
|
|
1.
21 – 10 =
11
1
|
2.
14 + 27 =
41
2
|
3.
30 + 20 =
50
2
|
4.
46 – 33 =
1
13
|
|
5.
9 – 1 =
8
1
|
6.
2 + 4 =
6
1
|
7.
46 + 2 =
2
48
|
8.
24 – 11 =
1
13
|
|
9.
2 + 33 =
2
35
|
10.
18 + 30 =
2
48
|
11.
42 + 3 =
45
2
|
12.
22 – 1 =
2
21
|
|
13.
40 + 2 =
2
42
|
14.
7 + 7 =
14
1
|
15.
8 – 4 =
1
4
|
16.
19 + 1 =
2
20
|
|
17.
25 + 23 =
2
48
|
18.
28 – 28 =
0
2
|
19.
41 – 1 =
2
40
|
20.
19 + 17 =
2
36
|