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