题目:
某中学准备建一个面积为375m2的矩形游泳池,且游泳池的宽比长短10m.设游泳池的长为xm,则可列方程( )
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答案:
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Dear Mary, Thanks for your invitation. I'm sorry I can't visit you this week. I'm really busy. I'm going to my cousin's birthday party on Monday afternoon. On...