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