来自巩蕤梓的问题
【1.求值log(2)27/log(8)9=____________.2.求值log(1/81)27=_____________.3.若log(64)x=-2/3,求x的值.】
1.求值log(2)27/log(8)9=____________.
2.求值log(1/81)27=_____________.
3.若log(64)x=-2/3,求x的值.


【1.求值log(2)27/log(8)9=____________.2.求值log(1/81)27=_____________.3.若log(64)x=-2/3,求x的值.】
1.求值log(2)27/log(8)9=____________.
2.求值log(1/81)27=_____________.
3.若log(64)x=-2/3,求x的值.
1)9/2
2)-3/4
3)1/16