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