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Problem2068--概率抛银币
2068: 概率抛银币
[Creator :
]
Time Limit :
1.000
sec
Memory Limit :
128 MB
Solved: 31
Submit: 64
Statistics
Description
抛一次银币,出现正面的概率_____(填分数)
抛两次银币,至少有一次正面的概率_______(填分数)
输出二行,对应二个答案
Source/Category