![](https://www.zhitiku.cn/b/43ce55df5dd00310aab326c26bad5353.jpg)
2
7 8 30
680 265 284
44 24 4
1 26 2 38
8
45 15
6
50 3 36
2
1
21km m 1 4000cm dm
3
150 7
40 1000
43084
5
6
7 1003999 39684001 900 2
8 790379309730973
9 87 24 42 64 46
12 20639
1
265-23 150+80 3200-2000 254
360505300 80016 5303-170