问题标题:
数学题;Amongthe800people,70%likeswimming.Howmanypeoplelikeswimming.
问题描述:

数学题;Amongthe800people,70%likeswimming.Howmanypeoplelikeswimming.

陈龙龙回答:
  问:800个人中,有70%的人喜欢游泳.一共多少个人喜欢游泳?   答:800人×70%=560人
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