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