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