灵鹊做题网Joe must determine the greatest whole number of feet from wh
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Joe must determine the greatest whole number of feet from which a ceramic ball can be dropped without breaking.He has two identical balls which he can drop from any height he wants.If he must determine with no more than 12 drops,what is the greatest height for which he can determine this with certainty.
A.20-25 B.20-40 C.41-50 D.51-75 E.more than 75
A.20-25 B.20-40 C.41-50 D.51-75 E.more than 75
E
用二分法,可以多达好几百.
考虑到极端情况,答案如果不是E,就是D. （因为2^6=64）
用二分法,可以多达好几百.
考虑到极端情况,答案如果不是E,就是D. （因为2^6=64）
Joe must determine the greatest whole number of feet from wh
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