一条路,已经修了249.6m,是没有修的2.4倍,这条路全长多少米?

问题描述:

一条路,已经修了249.6m,是没有修的2.4倍,这条路全长多少米?

249.6÷2.4+249.6
=104+249.6
=353.6(米)
答:这条路全长353.6米.