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