已知4x-y-4z=0 x+y-6z=0,那么2x*+3y*+6z*/ x*+5y*+7z*的值是多少*是平方
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![已知4x-y-4z=0 x+y-6z=0,那么2x*+3y*+6z*/ x*+5y*+7z*的值是多少*是平方](/uploads/image/z/4328589-21-9.jpg?t=%E5%B7%B2%E7%9F%A54x-y-4z%3D0+x%2By-6z%3D0%2C%E9%82%A3%E4%B9%882x%2A%2B3y%2A%2B6z%2A%2F+x%2A%2B5y%2A%2B7z%2A%E7%9A%84%E5%80%BC%E6%98%AF%E5%A4%9A%E5%B0%91%2A%E6%98%AF%E5%B9%B3%E6%96%B9)
已知4x-y-4z=0 x+y-6z=0,那么2x*+3y*+6z*/ x*+5y*+7z*的值是多少*是平方
已知4x-y-4z=0 x+y-6z=0,那么2x*+3y*+6z*/ x*+5y*+7z*的值是多少
*是平方
已知4x-y-4z=0 x+y-6z=0,那么2x*+3y*+6z*/ x*+5y*+7z*的值是多少*是平方
4x-y-4z=0
x+y-6z=0 =2x=y=4z
2x*+3y*+6z*/x*+5y*+7z*=62/91