(999+997/998)*499简算帮帮忙,明天就要交!
问题描述:
(999+997/998)*499
简算
帮帮忙,明天就要交!
答
498999.5
(999+997/998)*499
=999*499+997/998*499
=498501+997/2
=498501+498.5
=498999.5