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