|
1.
10 – 9 =
2
1
|
2.
19 – 7 =
12
1
|
3.
2 + 25 =
2
27
|
4.
42 – 40 =
2
1
|
|
5.
18 – 13 =
1
5
|
6.
3 – 3 =
0
2
|
7.
41 + 9 =
2
50
|
8.
25 + 17 =
2
42
|
|
9.
7 – 6 =
1
2
|
10.
5 + 40 =
2
45
|
11.
33 + 12 =
2
45
|
12.
15 + 9 =
24
2
|
|
13.
1 – 0 =
2
1
|
14.
38 – 10 =
2
28
|
15.
17 – 12 =
1
5
|
16.
15 + 10 =
2
25
|
|
17.
2 + 22 =
24
2
|
18.
48 – 34 =
1
14
|
19.
7 – 6 =
1
2
|
20.
7 – 2 =
1
5
|
|
1.
10 – 9 =
2
1
|
2.
19 – 7 =
12
1
|
3.
2 + 25 =
2
27
|
4.
42 – 40 =
2
1
|
|
5.
18 – 13 =
1
5
|
6.
3 – 3 =
0
2
|
7.
41 + 9 =
2
50
|
8.
25 + 17 =
2
42
|
|
9.
7 – 6 =
1
2
|
10.
5 + 40 =
2
45
|
11.
33 + 12 =
2
45
|
12.
15 + 9 =
24
2
|
|
13.
1 – 0 =
2
1
|
14.
38 – 10 =
2
28
|
15.
17 – 12 =
1
5
|
16.
15 + 10 =
2
25
|
|
17.
2 + 22 =
24
2
|
18.
48 – 34 =
1
14
|
19.
7 – 6 =
1
2
|
20.
7 – 2 =
1
5
|