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191问答库 > 一套课桌椅的价格是120元，其中椅子的价格是课桌的七分之五。椅子的价格是多少元？

一套课桌椅的价格是120元，其中椅子的价格是课桌的七分之五。椅子的价格是多少元？

要说明理由。谢谢谢谢！！！！

2025-03-15 11:50:47

推荐回答（1个）

回答1：

1、
桌子价钱=120÷（1+5/7）=70元
椅子价钱=70×5/7=50元
2、
椅子的价钱是课桌的七分之五，说明课桌价钱是椅子的五分之七。
椅子价钱=120÷（1+7/5）=50元

有不明白的地方再问哟，祝你学习进步，更上一层楼！ (*^__^*)
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