标题:
new jj, ball
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作者:
rushcynthia
时间:
2003-1-10 16:17
标题:
new jj, ball
有个球落到地上,回弹3/4。 共弹了14**厘米,问第三次落下的高度是多少
there should be a condition defining how many times the ball has bounced when it bouncing 14**cm,right?
作者:
tongxun
时间:
2003-1-10 18:31
对。
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