A.2x-y-z-1=0 B.2x+y-z+4=0 C.x+y+z-1=0

考试题库2022-08-02  41

问题 A.2x-y-z-1=0B.2x+y-z+4=0C.x+y+z-1=0D.2x-y-z+6=0

选项 A.2x-y-z-1=0
B.2x+y-z+4=0
C.x+y+z-1=0
D.2x-y-z+6=0

答案 D

解析
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