A. 13.75cm2 B. 14.25cm2 C. 14.75cm2 D. 15.25cm2B

Freeti2019-12-17 7

问题

选项 A. 13.75cm2B. 14.25cm2C. 14.75cm2D. 15.25cm2

答案B

解析[img]/upload/tiku/263/2889752_1.jpg[/img]

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