问题
填空题
在一个不透明的口袋中，装有4个红球和6个白球，除顔色不同外其余都相同，从口袋中任意摸一个球摸到的是红球的概率为 ．
答案
袋子中球的总数为4+8=10，红球有4个，则摸出红球的概率为4/10= ，
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在一个不透明的口袋中，装有4个红球和6个白球，除顔色不同外其余都相同，从口袋中任意摸一个球摸到的是红球的概率为 ．
袋子中球的总数为4+8=10，红球有4个，则摸出红球的概率为4/10= ，
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