|
1.
? – 2 = 15
2
17
16
20
|
2.
16 – 6 =
10
12
15
2
|
3.
? – 13 = 4
17
13
12
21
|
4.
? – 4 = 0
8
1
4
2
|
|
5.
4 – 3 =
4
1
3
5
|
6.
6 – 6 =
0
5
3
4
|
7.
? – 0 = 3
2
4
1
3
|
8.
14 – 9 =
7
1
6
5
|
|
9.
7 – 6 =
5
1
2
4
|
10.
16 – 8 =
12
8
9
5
|
11.
? – 3 = 3
9
6
5
11
|
12.
3 – 1 =
4
2
5
7
|
|
13.
9 – 5 =
4
8
1
7
|
14.
? – 6 = 0
9
6
11
4
|
15.
3 – 0 =
3
8
6
2
|
16.
13 – 3 =
7
15
1
10
|
|
17.
? – 8 = 8
19
12
16
10
|
18.
18 – 7 =
12
11
10
16
|
19.
? – 5 = 12
7
17
11
12
|
20.
10 – 6 =
4
6
8
9
|
|
1.
? – 2 = 15
2
17
16
20
|
2.
16 – 6 =
10
12
15
2
|
3.
? – 13 = 4
17
13
12
21
|
4.
? – 4 = 0
8
1
4
2
|
|
5.
4 – 3 =
4
1
3
5
|
6.
6 – 6 =
0
5
3
4
|
7.
? – 0 = 3
2
4
1
3
|
8.
14 – 9 =
7
1
6
5
|
|
9.
7 – 6 =
5
1
2
4
|
10.
16 – 8 =
12
8
9
5
|
11.
? – 3 = 3
9
6
5
11
|
12.
3 – 1 =
4
2
5
7
|
|
13.
9 – 5 =
4
8
1
7
|
14.
? – 6 = 0
9
6
11
4
|
15.
3 – 0 =
3
8
6
2
|
16.
13 – 3 =
7
15
1
10
|
|
17.
? – 8 = 8
19
12
16
10
|
18.
18 – 7 =
12
11
10
16
|
19.
? – 5 = 12
7
17
11
12
|
20.
10 – 6 =
4
6
8
9
|