当a=【】时,方程组x+2y-6=0,x+y-9+3a=0的解满足x=y

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当a=【】时,方程组x+2y-6=0,x+y-9+3a=0的解满足x=y
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当a=【】时,方程组x+2y-6=0,x+y-9+3a=0的解满足x=y
当a=【】时,方程组x+2y-6=0,x+y-9+3a=0的解满足x=y

当a=【】时,方程组x+2y-6=0,x+y-9+3a=0的解满足x=y
5/3

5/3