4.8/(2.3×0.4)简便计算
问题描述:
4.8/(2.3×0.4)简便计算
答
=120除23
答
(4.8/0.4)/2.3 = 12/2.3 = 120/23
答
4.8/(2.3*0.4)
=(4.8/0.4)/2.3
=12/2.3
=120/23
≈5.22
答
4.8/(2.3×0.4)=48/(2.3×4)=12/2.3=120/23