(5.40.751.3)\(2.53.90.27)简便运算,

分类: 作业答案 • 2021-12-28 15:02:05

问题描述：

(5.4*0.75*1.3)\(2.5*3.9*0.27)简便运算,

答

(5.4*0.75*1.3)\(2.5*3.9*0.27)
=（5.4/0.27）*（0.75/2.5）*（1.3/3.9）
=20*0.3*1/3
=6*1/3
=2

(5.4*0.75*1.3)\(2.5*3.9*0.27)简便运算,