(1)一条路,已经修了40%,正好是160米,这条路全长是多少米?(2)一条路,已经修了40%,还剩240米没修,(2)一条路,已经修了40%,还剩240米没修,这条路全长是多少米?必须写数量关系式,老师让的,

问题描述:

(1)一条路,已经修了40%,正好是160米,这条路全长是多少米?(2)一条路,已经修了40%,还剩240米没修,
(2)一条路,已经修了40%,还剩240米没修,这条路全长是多少米?
必须写数量关系式,老师让的,