|
1.
? – 1 = 15
9
16
|
2.
5 – 2 =
7
3
|
3.
2 – 1 =
4
1
|
4.
8 – 3 =
5
6
|
|
5.
? – 3 = 1
3
4
|
6.
? – 0 = 2
2
6
|
7.
? – 12 = 8
20
18
|
8.
? – 4 = 11
15
6
|
|
9.
? – 10 = 7
3
17
|
10.
? – 2 = 0
5
2
|
11.
? – 14 = 1
14
15
|
12.
1 – 1 =
0
4
|
|
13.
? – 8 = 9
8
17
|
14.
6 – 6 =
0
3
|
15.
7 – 6 =
1
2
|
16.
? – 5 = 1
6
9
|
|
17.
1 – 1 =
0
1
|
18.
? – 11 = 0
7
11
|
19.
? – 4 = 8
12
13
|
20.
? – 0 = 20
21
20
|
|
1.
? – 1 = 15
9
16
|
2.
5 – 2 =
7
3
|
3.
2 – 1 =
4
1
|
4.
8 – 3 =
5
6
|
|
5.
? – 3 = 1
3
4
|
6.
? – 0 = 2
2
6
|
7.
? – 12 = 8
20
18
|
8.
? – 4 = 11
15
6
|
|
9.
? – 10 = 7
3
17
|
10.
? – 2 = 0
5
2
|
11.
? – 14 = 1
14
15
|
12.
1 – 1 =
0
4
|
|
13.
? – 8 = 9
8
17
|
14.
6 – 6 =
0
3
|
15.
7 – 6 =
1
2
|
16.
? – 5 = 1
6
9
|
|
17.
1 – 1 =
0
1
|
18.
? – 11 = 0
7
11
|
19.
? – 4 = 8
12
13
|
20.
? – 0 = 20
21
20
|