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