怎样简便计算0.66660.8+0.11115.2

分类: 作业答案 • 2022-01-09 18:04:03

问题描述：

怎样简便计算0.6666*0.8+0.1111*5.2

答

0.6666*0.8+0.1111*5.2
=0.1111*6*0.8+0.1111*5.2
=0.1111*4.8+0.1111*5.2
=0.1111*（4.8+5.2）
=0.1111*10
=1.111

怎样简便计算0.6666*0.8+0.1111*5.2