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