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