翻譯：Helen20歲,她的年齡是Mary的4倍.當(dāng)Helen的年齡是Mary的兩倍的時(shí)候,Helen多少歲?
回答：Helen is 30 years old then.到那時(shí)Helen30歲
Helen is twenty years old ,and her age is four times as much as Mary 's.When Helen 's age is twi...
Helen is twenty years old ,and her age is four times as much as Mary 's.When Helen 's age is twi...
Helen is twenty years old ,and her age is four times as much as Mary 's.When Helen 's age is twice as much as Mary 's ,how old Helen then ?
Helen is twenty years old ,and her age is four times as much as Mary 's.When Helen 's age is twice as much as Mary 's ,how old Helen then ?
英語(yǔ)人氣：429 ℃時(shí)間：2019-10-27 11:55:39
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