一辆吉普车穿过沙漠，吉普车的总装油量为oil 加仑，耗油率为y 加仑/千米。由于沙漠没有油库，必须先使用这辆车在沙漠中建立临时油库。若吉普车用最少的耗油量穿过沙漠，应在哪些地方建立油库，以及各处储存的油量。-A jeep across the desert, jeep assembly oil for oil gallons, specific fuel consumption for y gallons/km. Because the desert is no oil depot, must use the car in the desert to establish temporary terminal. If the jeep with the least amount of fuel consumption through the desert, should be in what place to build oil depot, and storage of oil everywhere.