化简6log2/3-4log10/9+2 log 25/6=?

分类: 作业答案 • 2023-01-15 23:44:40

问题描述：

答

6log2/3-4log10/9+2 log 25/6
=2×（3log2/3-2log10/9+log 25/6）
=2×[log(2/3)^3/(10/9)^2×25/6]
=2×[log8/27×81/100×25/6]
=2×log1
=0