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