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标题: [求助]GWD27-8 PS 很笨地問 [打印本页]

作者: graceyin7    时间: 2006-12-18 05:36
标题: [求助]GWD27-8 PS 很笨地問

Which of the following fractions has a decimal equivalent that is a terminating decimal?

A. 10/189

B. 15/196

C. 16/225

D. 25/144

E. 39/128

答案E是怎麼算出的啊?


作者: dreamawake    时间: 2006-12-18 06:21

这个帖子里有这题的解释

http://forum.chasedream.com/dispbbs.asp?boardID=22&ID=59789&page=1


作者: graceyin7    时间: 2006-12-18 15:54

謝謝


作者: vegachang    时间: 2010-7-3 17:39
謝謝你問這問題 因為我也很笨的不懂




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