11/15 (3/4-2/3)/1/5 如何简算

问题描述:

11/15 (3/4-2/3)/1/5 如何简算

11/15 (3/4-2/3)/1/5 = 11/15 (3/4-2/3)5 = 11/3 (3/4-2/3) = 11/4-22/9 = 11/36