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