(5\8+1\27)X8+27\19

问题描述:

(5\8+1\27)X8+27\19
嗯.写错了

(5/8+1/27)*8+27/19
=5+8/27+27/19
=5+1又318/513
=6又318/513
如果后面是+19/27
(5/8+1/27)*8+19/27
=5+8/27+19/27
=6