When David is twice as old as he is now he will be four times as old as his daug

游客2023-10-19 20

问题 When David is twice as old as he is now he will be four times as old as his daughter Jane will be in five years time. If in 1990, four years ago, he was four times as old as his daughter, in which year was she born?

选项

答案 In 1983

解析

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When David is twice as old as he is now he will be four times as old as his daug

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PASSAGEONE[br]Whyisthedescriptionofthepastnaturalenvironmentimportan

PASSAGEONE[br]WhatbandheldadominantpositionintheUK’spopmusicbefore

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(1)RemembertheStoneAgedaysofresearchbackinelementaryschoolandmid

(1)RemembertheStoneAgedaysofresearchbackinelementaryschoolandmid

(1)RemembertheStoneAgedaysofresearchbackinelementaryschoolandmid

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防烟系统是指采用机械排烟方式，防止建筑物发生火灾时烟气进入疏散通道和避难场所的系

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