75✖️13➕75✖️86➕75的简便运算？

Question

如题所述

Answer 1

75X13+75X86+75=75（13+86+1）=75X100=7500

Answer 2

简便计算
75✖️13➕75✖️86➕75
=75x（13+86+1）
=75x100
=7500

Answer 3

75×(13+86+1)
=7500