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At a fruit market, the price of each peach is $$x$$ cents and the price of each plum is $$y$$ cents. If the total price of 4 peaches and 3 plums is equal to the total price of 7 peaches and 2 plums, which of the following statements must be true?
Indicate all such statements.
B显示答案
· 相关考点
3.1.2 常用恒等式
3.1.2 常用恒等式
以上解析由 考满分老师提供。
