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