|
1.
? – 0 = 19
19
5
|
2.
? – 0 = 17
4
17
|
3.
2 – 2 =
4
0
|
4.
? – 11 = 2
13
7
|
|
5.
13 – 4 =
7
9
|
6.
? – 1 = 2
2
3
|
7.
? – 9 = 1
8
10
|
8.
? – 15 = 5
23
20
|
|
9.
? – 11 = 7
18
12
|
10.
12 – 7 =
6
5
|
11.
? – 1 = 0
1
2
|
12.
? – 14 = 1
15
20
|
|
13.
? – 18 = 0
18
1
|
14.
3 – 1 =
2
3
|
15.
? – 1 = 0
1
6
|
16.
11 – 11 =
3
0
|
|
17.
? – 1 = 15
16
12
|
18.
? – 6 = 14
16
20
|
19.
19 – 3 =
16
14
|
20.
3 – 3 =
2
0
|
|
1.
? – 0 = 19
19
5
|
2.
? – 0 = 17
4
17
|
3.
2 – 2 =
4
0
|
4.
? – 11 = 2
13
7
|
|
5.
13 – 4 =
7
9
|
6.
? – 1 = 2
2
3
|
7.
? – 9 = 1
8
10
|
8.
? – 15 = 5
23
20
|
|
9.
? – 11 = 7
18
12
|
10.
12 – 7 =
6
5
|
11.
? – 1 = 0
1
2
|
12.
? – 14 = 1
15
20
|
|
13.
? – 18 = 0
18
1
|
14.
3 – 1 =
2
3
|
15.
? – 1 = 0
1
6
|
16.
11 – 11 =
3
0
|
|
17.
? – 1 = 15
16
12
|
18.
? – 6 = 14
16
20
|
19.
19 – 3 =
16
14
|
20.
3 – 3 =
2
0
|