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pumady · Jun 19th, 2011, 12:42

有括号的优先级最高，没有括号的先乘除后加减
9÷3(1+2)=9
9÷(3(1+2))=1

Jun 19th, 2011, 12:42	#5
pumady Senior Member 注册日期: Jan 2006 帖子: 864 积分:1 精华:1	有括号的优先级最高，没有括号的先乘除后加减 9÷3(1+2)=9 9÷(3(1+2))=1
pumady Senior Member 注册日期: Jan 2006 帖子: 864 积分:1 精华:1