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