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