|
1.
7 + 10 =
2
17
|
2.
20 – 15 =
5
1
|
3.
10 + 7 =
2
17
|
4.
17 + 3 =
2
20
|
|
5.
1 – 0 =
1
2
|
6.
7 – 5 =
2
1
|
7.
15 + 3 =
2
18
|
8.
11 – 5 =
6
1
|
|
9.
5 + 0 =
1
5
|
10.
12 + 0 =
1
12
|
11.
2 – 1 =
2
1
|
12.
10 – 3 =
7
1
|
|
13.
18 + 2 =
20
2
|
14.
3 + 15 =
18
2
|
15.
18 + 2 =
20
2
|
16.
3 + 13 =
2
16
|
|
17.
8 + 0 =
1
8
|
18.
7 + 9 =
16
2
|
19.
17 + 2 =
19
2
|
20.
3 + 0 =
1
3
|
|
1.
7 + 10 =
2
17
|
2.
20 – 15 =
5
1
|
3.
10 + 7 =
2
17
|
4.
17 + 3 =
2
20
|
|
5.
1 – 0 =
1
2
|
6.
7 – 5 =
2
1
|
7.
15 + 3 =
2
18
|
8.
11 – 5 =
6
1
|
|
9.
5 + 0 =
1
5
|
10.
12 + 0 =
1
12
|
11.
2 – 1 =
2
1
|
12.
10 – 3 =
7
1
|
|
13.
18 + 2 =
20
2
|
14.
3 + 15 =
18
2
|
15.
18 + 2 =
20
2
|
16.
3 + 13 =
2
16
|
|
17.
8 + 0 =
1
8
|
18.
7 + 9 =
16
2
|
19.
17 + 2 =
19
2
|
20.
3 + 0 =
1
3
|