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