(291-38*3.5-35.5)/3.5(简便运算)
问题描述:
(291-38*3.5-35.5)/3.5(简便运算)
答
(291-38*3.5-35.5)/3.5
=(291-35.5)/3.5 - 38
=255.5/3.5-38
=73-38
=35