201x0.47-0.47 用简便算法计算,怎么写?
问题描述:
201x0.47-0.47 用简便算法计算,怎么写?
答
201x0.47-0.47
=0.47*(201-1)
=0.47*200
=94
答
201x0.47-0.47
= 201* 0.47 - 1*0.47
= 0.47*(201-1)
= 94