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将抛物线向下平移1个单位,得到的抛物线是( ) A. B. C. D.

将抛物线6ec8aac122bd4f6e向下平移1个单位,得到的抛物线是(  )

A.6ec8aac122bd4f6e                                                           B.6ec8aac122bd4f6e 

C.6ec8aac122bd4f6e                                                              D.6ec8aac122bd4f6e

 

D 【解析】略
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