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