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