文件名称:c4
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一球从100米高度自由落下,每次落地后反跳回原高度的一半;再落下,求它在第10次落地时,共经过多少米?第10次反弹多高?
-A ball from a free-fall height of 100 meters, each fall to the ground half the height of anti-jump back to the original then fall, seeking its 10th floor, the total number of meters after? How high 10th rebound?
-A ball from a free-fall height of 100 meters, each fall to the ground half the height of anti-jump back to the original then fall, seeking its 10th floor, the total number of meters after? How high 10th rebound?
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c4.doc