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