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標題:
數學問題！！HELP!?
發問:
Alan has three types of coins :$1 coins,$2 coins and $5 coins .The number of $2 coins is 5 more than the number of $5 coins .The total value of Alan's coins is $325.How many $2 coins does he have?
$2 有 50枚,$5 有 45 枚... SOL (2*50)+(45*5) =100+225 =325
其他解答:A215E4A27F624C16
數學問題！！HELP!?
發問:
Alan has three types of coins :$1 coins,$2 coins and $5 coins .The number of $2 coins is 5 more than the number of $5 coins .The total value of Alan's coins is $325.How many $2 coins does he have?
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最佳解答:$2 有 50枚,$5 有 45 枚... SOL (2*50)+(45*5) =100+225 =325
其他解答:A215E4A27F624C16
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