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At a certain store, two smartphones, $$A$$ and $$B$$, had the same original price. The price of A in December was 20 percent less than its original price, and its price in January was 20 percent greater than its price in December. The price of B in December was 30 percent less than its original price, and its price in January was 30 percent greater than its price in December. Which of the following statements is true about the prices of A and B in January?
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· 相关考点
2.4.2 百分比多少关系的描述
2.4.2 百分比多少关系的描述
以上解析由 考满分老师提供。
