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