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ZX-2FFB1459912023年6月B卷 · 第 11 题
2023年6月B卷 · 原库模块 1 · Q11 原库参考解析
A certain book has 250 pages, and 21 of these pages have an illustration. If one of the book's pages is selected at random, what is the probability of selecting a page with an illustration? (Express your answer as a decimal or fraction, not as a percent.)
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