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