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