|
1.
? – 0 = 4
7
8
1
4
|
2.
? – 0 = 1
5
4
1
6
|
3.
3 – 1 =
3
6
2
4
|
4.
? – 4 = 0
2
5
9
4
|
|
5.
? – 6 = 0
6
5
1
2
|
6.
? – 7 = 12
19
4
15
6
|
7.
7 – 3 =
2
6
9
4
|
8.
16 – 4 =
12
11
13
15
|
|
9.
? – 8 = 9
14
9
22
17
|
10.
? – 4 = 2
10
4
11
6
|
11.
2 – 2 =
0
4
2
5
|
12.
9 – 4 =
3
10
8
5
|
|
13.
15 – 8 =
4
10
6
7
|
14.
11 – 10 =
2
4
5
1
|
15.
20 – 11 =
10
5
9
8
|
16.
13 – 12 =
4
1
5
6
|
|
17.
15 – 0 =
16
14
8
15
|
18.
14 – 3 =
13
11
6
4
|
19.
5 – 0 =
5
7
8
3
|
20.
4 – 4 =
0
4
1
3
|
|
1.
? – 0 = 4
7
8
1
4
|
2.
? – 0 = 1
5
4
1
6
|
3.
3 – 1 =
3
6
2
4
|
4.
? – 4 = 0
2
5
9
4
|
|
5.
? – 6 = 0
6
5
1
2
|
6.
? – 7 = 12
19
4
15
6
|
7.
7 – 3 =
2
6
9
4
|
8.
16 – 4 =
12
11
13
15
|
|
9.
? – 8 = 9
14
9
22
17
|
10.
? – 4 = 2
10
4
11
6
|
11.
2 – 2 =
0
4
2
5
|
12.
9 – 4 =
3
10
8
5
|
|
13.
15 – 8 =
4
10
6
7
|
14.
11 – 10 =
2
4
5
1
|
15.
20 – 11 =
10
5
9
8
|
16.
13 – 12 =
4
1
5
6
|
|
17.
15 – 0 =
16
14
8
15
|
18.
14 – 3 =
13
11
6
4
|
19.
5 – 0 =
5
7
8
3
|
20.
4 – 4 =
0
4
1
3
|