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