1.5公里以平时步行速度需要走多久?

Xian Qin Shihuang Terracotta Warriors and Horses Museum is located at the northern foot of Lishan.From 1.5 km east of Qin Shihuang's Mausoleum,there is part of the construction of Qin Shihuang's Mausoleum.The main show here in the excavation of the three Peizangkang Terracotta Warriors and Horses of Qin Shihuang's Mausoleum,as well as related artifacts.Heritage Museum is a showroom,Tongchema Pavilion,as well as in the discovery of three built on the site of the exhibition hall to protect the sites,that is,on the 1st hole,on the 2nd hole,on the 3rd hole.The full Peizangkang Mausoleum of the First Qin Emperor in the original appearance of the RUF forces,as well as the high level of the production process.Qin terracotta warriors and horses were known as the "Eighth Wonder of the World."

如果是规则的,面积最大时成圆形,面积为17.914公顷.不规则时面积在0与17.914之间,（0,17.914）

10和12的最小公倍数为60,则每隔60米的树不用改种；
1.5千米 = 1500 米,则这样的树有 1500÷60 = 25 个间隔；
所以,不用改种的树有 25棵

设第二天的速度是v 则第一天的是v+1.5 由于一共行军78公里 则：
5v+4（v+1.5)=78
v=9 则v+1.5=10.5

(1) Ganhaizi the Yulong Snow Mountain in the east of an open meadow,Ganhaizi about 4 km long,1.5 km wide,about 2900 meters above sea level,came to the Ganhaizi to an open and empty feeling,looking up the Yulong Snow Mountain,the best place.(2) river water from flowing through the stone was also found white,color named "baishuihe"
(3) on a sunny day,the color of the water is blue,and the crescent-shaped valley,so called Blue Moon Valley(4) Jade Dragon Snow Mountain Glacier Park at 4506 meters above sea level,visitors can reach the highest elevation自答的

If you don't go to Managaha Island, you cannever say that you have been to Saipan Island. The perimeter of Managaha Islandis only 1.5 miles, but it's one of the best spot to see ship wrecks andairplanes left by Japanese army in the Pacific war, that's how the islandbecame famous. You can make a full circle visit within 20-30 minutes.


The Coconut crab's shell is hard, and withtwo giant claws, which make them climbing expert, especially good at climbingstraight coconut trees.
Using their strong double claws, they canrip hard coconut shell to eat the flesh, that's how they acquired their names.

1.5公里=1.5×10³_____米和_1.5×10^6___毫米（用科学计数法表示）

加!
超过一,就是复数.

因为10和12的最小公倍数为60
不用改种的树位置即为60的倍数处
又因为是1.5公里的环形公路
即不用改种的树有1500/60=25棵