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