(45+50)*6
=45*6+50*6
=270+300
=570
你好!同学!简便算法过程如下
(45+50)×6
=95×6
=(100-5)×6
=100×6-5×6
=600-30
=570
(45+50)ⅹ6
=45x6+50x6
=45x2x3+300
=90x3+300
=270+300
=570
望采纳,谢谢
你好!题主。
(45+50)*6
=9*5*6+50*6
=9*30+300
=270+300
=570
(45+50)ⅹ6用简便方法?
=95×6
=(100-5)×6
=6×100-6×5
=600-30
=570
望采纳 谢谢~~