7.3×0.99用简便运算怎么写?
问题描述:
7.3×0.99用简便运算怎么写?
答
7.3x0.99
=7.3x(1-O.O1)
=7.3x1-7.3x0.01
=1-0.073
=0.927滚7.3一0.073
二7.227