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