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