我刚刚学完比例尺,lz六年级吧.
1:5km=500000cm,5:500000=1:100000
2.10km=1000000cm,20:1000000=1:500000
3.12cm=1200mm,6:1200=1:200
4:150km=15000000cm,5:15000000=1:300000
5:1050km=105000000cm,4.2:105000000=1:25000000
纯手打,速度慢,
我刚刚学完比例尺,lz六年级吧.
1:5km=500000cm,5:500000=1:100000
2.10km=1000000cm,20:1000000=1:500000
3.12cm=1200mm,6:1200=1:200
4:150km=15000000cm,5:15000000=1:300000
5:1050km=105000000cm,4.2:105000000=1:25000000
纯手打,速度慢,