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假设排列着100个乒乓球,由两个人轮流拿球装入口袋,能拿到第100个乒乓球的人为胜利者。条件:每次拿球者至少要拿1个,但最多不能超过5个。问:如果你是最先拿球的人,你第一次应该拿几个?怎么拿能保证你能拿到第100个乒乓球?
Suppose 100 table tennis are lined up and two people take the ball in their pockets and win the 100th table tennis for the winner. Conditions: At least 1 ball per pick, but not more than 5. Q: If you are the first to get the ball, how many do you get for the first time? How can you get the 100th ping pong?