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