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问题 填空题

有一个多边形的内角和是它外角和的5倍，则这个多边形是______边形．

答案

根据题意，得

（n-2）•180=5×360，

解得：n=12．

所以此多边形的边数为12．

单项选择题

An analyst does research about difference between Generally Accepted Accounting Principles (U. S. GAAP) and Intemational Financial Reporting Standards (IFRS). The indirect method of presenting cash flow from operation is NOT allowed under（）

A. IFRS ortly.

B. U. S. GAAP only.

C. Neither IFRS nor U. S. GAAP.
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