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