Số?
11 – 2
= ........
12 – 3
= .......
13 – 4
= .........
14 – 5
= ..........
15 – 6
16 – 7
17 – 8
18 – 9
11 – 3
12 – 4
13 – 5
14 – 6
=.........
15 – 7
16 – 8
17 – 9
11 – 4
12 – 5
13 – 6
14 – 7
15 – 8
16 – 9
11 – 5
12 – 6
13 – 7
14 – 8
15 – 9
11 – 6
12 – 7
13 – 8
14 – 9
11 – 7
12 – 8
13 – 9
11 – 8
12 – 9
11 – 9
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