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