试题与答案

袋子里有红球5个、黄球3个、白球2个.每次摸1个球,是红球的可能性是______

题型:填空题

题目:

袋子里有红球5个、黄球3个、白球2个.每次摸1个球,是红球的可能性是______.

答案:

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