简便计算(225+5*81)/15
问题描述:
简便计算(225+5*81)/15
答
(225+5*81)/15
=225/15+5*81/15
=15+27
=42
简便计算(225+5*81)/15
(225+5*81)/15
=225/15+5*81/15
=15+27
=42