[112+(3.6-115)/117]/0.8怎么解啊

日期：2021-10-18 00:26:02 人气：1

[112+(3.6-115)/117]/0.8
=[112+(3.6-117+2)/117]/0.8
=[112+(5.6-117)/117]/0.8
=(112+5.6/117-1)/0.8
=(111+5.6/117)/0.8
=111/0.8+7/117
=555/4+7/117
=(555*117+7*4))/