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