作业帮One of the most famous famous pamous puzzles in the math wor
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One of the most famous famous pamous puzzles in the math world is "How Old is Ann?" Here's one.Ann
is now exactly tow-fifths of her older sister's age,and tow years form now she will be tone-half of her older sister's age.Conversely,two years ago,Ann was only one-fourth the age of her older sister's age at that time.How old is Ann now?(She's a fairly young child,by the way)
You have stealthily raided your small child's piggy bank.You feel slighty guilty as you count the money .You have the same number of dimes and quarters,totaling exactly $2.45.When you turn honest and put it back,how many of each coin will you need to replace?[Your child keeps a record of how much she puts in and in what denomination,of course]
is now exactly tow-fifths of her older sister's age,and tow years form now she will be tone-half of her older sister's age.Conversely,two years ago,Ann was only one-fourth the age of her older sister's age at that time.How old is Ann now?(She's a fairly young child,by the way)
You have stealthily raided your small child's piggy bank.You feel slighty guilty as you count the money .You have the same number of dimes and quarters,totaling exactly $2.45.When you turn honest and put it back,how many of each coin will you need to replace?[Your child keeps a record of how much she puts in and in what denomination,of course]
有一个最著名的著名的形象在数学难题世界是“多大安?“这是one.Ann
现在tow-fifths她姐姐的确切年龄,二年tone-half从现在开始她将她的姐姐的年龄.相反,两年前,安的年龄只有四分之一她姐姐的年龄.安现在多大了?(她是一个相当年轻的孩子,顺便说一句)
你偷偷地袭击你的小孩子的小猪扑满里的情景.你觉得你slighty有罪数钱.你有相同的号码1角和2角5分的硬币,共计到底2.45美元.当你转身诚实,并把它放了回去,多少每枚硬币将您需要替代呢?[你的孩子是多么的记录,并且在她把什么面额,当然)
现在tow-fifths她姐姐的确切年龄,二年tone-half从现在开始她将她的姐姐的年龄.相反,两年前,安的年龄只有四分之一她姐姐的年龄.安现在多大了?(她是一个相当年轻的孩子,顺便说一句)
你偷偷地袭击你的小孩子的小猪扑满里的情景.你觉得你slighty有罪数钱.你有相同的号码1角和2角5分的硬币,共计到底2.45美元.当你转身诚实,并把它放了回去,多少每枚硬币将您需要替代呢?[你的孩子是多么的记录,并且在她把什么面额,当然)
英语翻译1、One of the most famous puzzles in the math world is“Ho
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