ax2y10的精选

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直线ax+2y1=0与x+(a1)y+2=0平行,则a等于                    A.    ...

直线ax+2y1=0与x+(a1)y+2=0平行,则a等于                    A.    ...

2019-12-29
问题详情:直线ax+2y1=0与x+(a1)y+2=0平行,则a等于                    A.                  B.2                 C.1                D.2或1【回...