下列各题,只写等量关系式,不计算
(2)花布长60米,白布比花布多4分之1,白布长多少米?
(3)花布长60米,比白布多4分之1,白布长多少米?
(4)花布长60米,白布比花布少4分之1,白布长多少米?
(5)花布长60米,比白布少4分之1,白布长多少米?