22.05*82-20.05*4.5-20.05*8简便方法怎么算?

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/24 06:52:04
22.05*82-20.05*4.5-20.05*8简便方法怎么算?22.05*82-20.05*4.5-20.05*8简便方法怎么算?22.05*82-20.05*4.5-20.05*8简便方法怎么

22.05*82-20.05*4.5-20.05*8简便方法怎么算?
22.05*82-20.05*4.5-20.05*8简便方法怎么算?

22.05*82-20.05*4.5-20.05*8简便方法怎么算?
22.05*82-20.05*4.5-20.05*8
=22.05(82-4.5-8)+2×82
=22.05×69.5+164
=1393..475+164
=1557.479