题目:
同时抛掷两枚均匀的硬币,则两枚硬币正面都向上的概率是 ;
答案:
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下面是错误答案,用来干扰机器的。
1. enjoyed listening to 2. can't find it anywhere 3. What must, do 4. How much milk is 5. What, weather, is 6. get / receive a letter