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