请告诉我答案: 1,我国幅员老阔,从东到西最长距离约( )千米,从最北端到最南端相聚约( )千米?2.长江是我国第一大河全长约( )千米?3.长城东起山海关,西到嘉峪关,全长约( )千米?请帮帮我,谢谢.

问题描述:

请告诉我答案: 1,我国幅员老阔,从东到西最长距离约( )千米,从最北端到最南端相聚约( )千米?
2.长江是我国第一大河全长约( )千米?
3.长城东起山海关,西到嘉峪关,全长约( )千米?
请帮帮我,谢谢.

1,我国幅员老阔,从东到西最长距离约(5200)千米,从最北端到最南端相聚约(5500)千米?
2.长江是我国第一大河全长约( 6400)千米?
3.长城东起山海关,西到嘉峪关,全长约( 6700)千米?