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ZX-680B478BEEBluebook试题9 · 第 8 题
Bluebook试题9 · 原库模块 3 · Q8 原库参考解析
Circle \( A \) has a radius of 3n and circle \( B \) has a radius of 129n, where n is a positive constant. The area of circle \( B \) is how many times the area of circle \( A \) ?
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