plz help me to do the questions,If you do not know the answer,pz answer no!Thx!
1. A and B are two consecutive numbers (B
F.1 math
2007-07-27 1:00 am
回答 (1)
2007-07-27 1:08 am
✔ 最佳答案
If A = x, then B = x+1therefore, there are many combinations, like
(1,2), (2,3),(3,4),(4,5) etc.
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https://hk.answers.yahoo.com/question/index?qid=20070726000051KK03332