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