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