题目内容
Winning dollarsTwo people were flipping (抛) coins. Each time, they bet (打赌) US $1 each game. At the end, one person won US $3. The other won three times. How many games did they play?
答案:
解析:
解析:
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The person who won three games must have also lost six games, since his opponent (对手) won US $3. So in total, they played nine games. |
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