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