|
1.
? – 2 = 4
6
8
3
9
|
2.
19 – 14 =
10
5
4
3
|
3.
? – 3 = 5
8
4
13
1
|
4.
4 – 4 =
4
0
3
1
|
|
5.
8 – 8 =
0
4
2
1
|
6.
17 – 4 =
9
17
12
13
|
7.
6 – 1 =
8
3
10
5
|
8.
17 – 16 =
4
2
5
1
|
|
9.
1 – 0 =
1
5
6
2
|
10.
3 – 2 =
1
5
4
6
|
11.
6 – 4 =
7
5
2
3
|
12.
2 – 2 =
5
0
3
4
|
|
13.
12 – 4 =
11
10
8
1
|
14.
? – 12 = 6
18
23
5
22
|
15.
16 – 14 =
6
7
2
5
|
16.
? – 10 = 10
3
20
6
11
|
|
17.
9 – 1 =
5
6
8
3
|
18.
5 – 5 =
2
3
4
0
|
19.
18 – 17 =
1
2
6
3
|
20.
? – 8 = 1
9
8
13
2
|
|
1.
? – 2 = 4
6
8
3
9
|
2.
19 – 14 =
10
5
4
3
|
3.
? – 3 = 5
8
4
13
1
|
4.
4 – 4 =
4
0
3
1
|
|
5.
8 – 8 =
0
4
2
1
|
6.
17 – 4 =
9
17
12
13
|
7.
6 – 1 =
8
3
10
5
|
8.
17 – 16 =
4
2
5
1
|
|
9.
1 – 0 =
1
5
6
2
|
10.
3 – 2 =
1
5
4
6
|
11.
6 – 4 =
7
5
2
3
|
12.
2 – 2 =
5
0
3
4
|
|
13.
12 – 4 =
11
10
8
1
|
14.
? – 12 = 6
18
23
5
22
|
15.
16 – 14 =
6
7
2
5
|
16.
? – 10 = 10
3
20
6
11
|
|
17.
9 – 1 =
5
6
8
3
|
18.
5 – 5 =
2
3
4
0
|
19.
18 – 17 =
1
2
6
3
|
20.
? – 8 = 1
9
8
13
2
|