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