修路队今年修路2600米,比去年少修1/5,去年修路多少米?

问题描述:

修路队今年修路2600米,比去年少修

1
5
,去年修路多少米?

2600÷(1-

1
5

=2600÷
4
5

=3250(米);
答:去年修路3250米.