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