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