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