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