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电线杆问题的再讨论黄军华（湖南师大附中４１０００６）一个广为流传的问题是：从材料工地运送电线杆到５００米以外的公路一旁立起来，每隔５０米竖立一根．若卡车每次最多只能运载２０根，要完成运载５０根电线杆并返回材料工地，问运输卡车至少要走多少公里？容易产生...
Re-discussions on pole issues Huang Junhua (Affiliated High School of Hunan Normal University 410006) A widely-publicized problem is that the utility poles are transported from the material site to the side of the road 500 meters away and erected every 50 meters. If a truck can only carry up to 20 vehicles at a time, complete 50 poles and return to the material site, and ask the transport truck at least how many kilometers to walk? Easy to produce...