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