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