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