(9.15-0.45*3.6)/0.3怎样简便计算
问题描述:
(9.15-0.45*3.6)/0.3怎样简便计算
答
(9.15-0.45*3.6)/0.3
=9.15÷0.3-0.45*3.6÷0.3
=30.5-5.4
=25.1