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把二次函数化成的形式,其结果是( ) A. B. C. D.

把二次函数6ec8aac122bd4f6e化成6ec8aac122bd4f6e的形式,其结果是(    )

A.6ec8aac122bd4f6e                                                     B.6ec8aac122bd4f6e

C.6ec8aac122bd4f6e                                                    D.6ec8aac122bd4f6e

 

A 【解析】略
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如图,在直角三角形6ec8aac122bd4f6e中,斜边6ec8aac122bd4f6e的长为6ec8aac122bd4f6e6ec8aac122bd4f6e,则直角边6ec8aac122bd4f6e的长是(    )

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A.6ec8aac122bd4f6e                                                         B.6ec8aac122bd4f6e

C.6ec8aac122bd4f6e                                                                  D.6ec8aac122bd4f6e 

 

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