(1/9+1/15)*3+(1/12+1/15)X=5/6

来源：学生作业帮助网编辑：六六作业网时间：2024/11/15 23:23:36

(1/9+1/15)*3+(1/12+1/15)X=5/6(1/9+1/15)*3+(1/12+1/15)X=5/6(1/9+1/15)*3+(1/12+1/15)X=5/6X=2

(1/9+1/15)*3+(1/12+1/15)X=5/6
(1/9+1/15)*3+(1/12+1/15)X=5/6

(1/9+1/15)*3+(1/12+1/15)X=5/6
X=2