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