(5.40.751.3)\(2.53.90.27)

分类: 作业答案 • 2022-05-02 15:38:42

问题描述：

(5.4*0.75*1.3)\(2.5*3.9*0.27)

答

(5.4*0.75*1.3)\(2.5*3.9*0.27)
=（5.4÷0.27）x（0.75÷2.5）x（1.3÷3.9）
=20x0.3x1/3
=6x1/3
=2

(5.4*0.75*1.3)\(2.5*3.9*0.27)