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