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Printer $$P$$ prints at the constant rate of $$x$$ seconds per page, and printer $$O$$ prints at the constant rate of y seconds per page. If both printers print at their respective rates, then, in terms of x and y, what is the total number of pages the two printers print in 1 hour?
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· 相关考点
2.5.2 工作效率题
2.5.2 工作效率题
以上解析由 考满分老师提供。
