(5\8+1\27)X8+27\19
问题描述:
(5\8+1\27)X8+27\19
嗯.写错了
答
(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