4.05⼀0.03⼀1.5+5.3*2.8的简便计算方法

2024-11-29 21:09:07
推荐回答(1个)
回答1:

4.05*1.5/(0.03/1.5*1.5)+5*2.8+0.3*2.8
=4.05*1.5/0.03+14+0.84
=4.05*50+14.84
=202.5+14.84
=217.34