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