两个村庄A,B在河C,D的同侧,A,B到河的距离分别为AC=1km,BD=3km,CD=3km,现要在CD上修一个水厂,向A,B两村输送自来水,铺设水管的工程费用为每km2500元,请在CD上选择水厂的位置O,使铺设水管的费用最省,
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/21 02:45:51
![两个村庄A,B在河C,D的同侧,A,B到河的距离分别为AC=1km,BD=3km,CD=3km,现要在CD上修一个水厂,向A,B两村输送自来水,铺设水管的工程费用为每km2500元,请在CD上选择水厂的位置O,使铺设水管的费用最省,](/uploads/image/z/4495166-62-6.jpg?t=%E4%B8%A4%E4%B8%AA%E6%9D%91%E5%BA%84A%2CB%E5%9C%A8%E6%B2%B3C%2CD%E7%9A%84%E5%90%8C%E4%BE%A7%2CA%2CB%E5%88%B0%E6%B2%B3%E7%9A%84%E8%B7%9D%E7%A6%BB%E5%88%86%E5%88%AB%E4%B8%BAAC%3D1km%2CBD%3D3km%2CCD%3D3km%2C%E7%8E%B0%E8%A6%81%E5%9C%A8CD%E4%B8%8A%E4%BF%AE%E4%B8%80%E4%B8%AA%E6%B0%B4%E5%8E%82%2C%E5%90%91A%2CB%E4%B8%A4%E6%9D%91%E8%BE%93%E9%80%81%E8%87%AA%E6%9D%A5%E6%B0%B4%2C%E9%93%BA%E8%AE%BE%E6%B0%B4%E7%AE%A1%E7%9A%84%E5%B7%A5%E7%A8%8B%E8%B4%B9%E7%94%A8%E4%B8%BA%E6%AF%8Fkm2500%E5%85%83%2C%E8%AF%B7%E5%9C%A8CD%E4%B8%8A%E9%80%89%E6%8B%A9%E6%B0%B4%E5%8E%82%E7%9A%84%E4%BD%8D%E7%BD%AEO%2C%E4%BD%BF%E9%93%BA%E8%AE%BE%E6%B0%B4%E7%AE%A1%E7%9A%84%E8%B4%B9%E7%94%A8%E6%9C%80%E7%9C%81%2C)
xT[oX+(R\JVqߺ16-YO@@iK.fCa[BmVyS]||Μof=R+UyOyQQ~twe
fp
GF\C(^Uc)#oWuXU7Q.EC iI#
%0SQ7Kzehv juIheSQ"C:JG"iń^LR%?
NKId]_qn!,An!f[FF*Q7kpcG$*#~M?`}nţO0b\!-!d#I붳AQ/قlXip.[d.9r PfBX*pb.C ~H3"´bD$JL졯rb<B L<лCTG A@ >ЎkxvC&^iHvOAXJ&^i˭~fu%F2g'Pdf
b"O=Jv21|J