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标题: MATH JJ428 [打印本页]

作者: springappleleaf 时间: 2004-12-28 02:50
标题: MATH JJ428

428. x和y一起工作了１４个小时以后y又单独工作了８小时完成了m个产品，x单独完成m个产品比y单独完成m个产品少８小时，问y单独完成m个产品要多少小时

这个题选36

How to get the answer?

作者: sihua 时间: 2004-12-28 08:52
頂一下

作者: camcam 时间: 2004-12-28 09:23
哪位能帮忙解答一下？

作者: byebyelove 时间: 2004-12-28 09:33

i put the given answer to the question

it doesn't seem to match the question

I think some wrong with question

if y=36 x=24

14/24+14/36+8/36=43/36 but it should be 36/36

so......................

作者: charmant 时间: 2004-12-28 13:10

agree with楼上

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