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