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