某货场有２００１辆车排队等待装货，要求第一辆必须装７箱货物，每相邻的８辆车装货总数为６４箱，问：第２００１辆车应装多少箱？货场有多少箱货物？设第一辆装a１箱，第二辆装a２箱，……第２００１辆装a２００１箱．则a１＋a２＋…＋a８＝６４，①a２＋a３＋…＋a９＝６４ A freight yard has 2001 vehicles waiting in line to be loaded. It is required that the first one must hold 7 boxes of goods. The total number of cargoes per adjacent 8 vehicles is 64 boxes. Q: How many boxes should be installed in the 2001 vehicle? How many boxes of goods are in the yard? Set the first a1 box, the second box a2, ... 2001 2001 a2001 box. Then a1+a2+...+a8=64,1a2+a3+...+a9=64