1.一幅地图,图上距离1cm表示实际距离20千米,这幅图的比例尺是( 1:2000000).
2.答:1.35
3.答:150
4.答:3
5.答:2.4
6.答:7
7.答;0.8;2
8.答:18
9.答:5
10.0.5m=50cm
0.05:1=1:20
答:1:20
11.答:0.025m
12.答:80
13.0.0002:1=1:5000
答:1:5000
14.0.05:1=1:20
答:1:20
15.4/18000=2/9000=1:4500
答:1:4500
16.答:1600000cm