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