(2/3)的x次方乘(9/8)的x次方=27/64 求x的值
问题描述:
(2/3)的x次方乘(9/8)的x次方=27/64 求x的值
答
(2/3×9/8)的x次方=27/64
(3/4)的x次方=(3/4)³
∴ x=3