(1/12-1/4)/1/2+1/3的简便方法

题目

(1/12-1/4)/1/2+1/3的简便方法

答案

(1/12-1/4)/1/2+1/3
=(1/12-1/4)×2+1/3
=1/6-1/2+1/3
=1/6+1/3-1/2
=1/2-1/2
=0