85/4+15/4 321*654/987/654*987/321 简便计算要过程.

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/19 07:44:38
85/4+15/4321*654/987/654*987/321简便计算要过程.85/4+15/4321*654/987/654*987/321简便计算要过程.85/4+15/4321*654/987

85/4+15/4 321*654/987/654*987/321 简便计算要过程.
85/4+15/4 321*654/987/654*987/321 简便计算要过程.

85/4+15/4 321*654/987/654*987/321 简便计算要过程.
85/4+15/4
=(85+15)/4
=100/4
=25
321*654/987/654*987/321
=321/321*654/654*987/987
=1