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Among $$16$$ textbooks purchased by a bookstore, each textbook was either a mathematics textbook or a chemistry textbook, and each textbook was either new or used. Of the mathematics textbooks purchases, $$\frac{1}{2}$$ were used. Of the chemistry textbooks purchased, $$\frac{2}{3}$$ were used. Which of the following could be the total number of textbooks purchased that were used?
Indicate all such numbers.
Indicate all such numbers.
E,F显示答案
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2.5.11 未知数取整应用题
2.5.11 未知数取整应用题
以上解析由 考满分老师提供。
