1.5的倒数除以5/6与0.3的差，商是多少？2`(s,w7I8r1s;y.v
算式：提示:q:E6X+t*h2`(s,w7I8r1s;y.v
答：商是4B.}2Q4B+a7].t6C9O)G'}8e。2`(s,w7I8r1s;y.v