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