盒子里有同样大小的红黄蓝白四种颜色的球各10个,要想摸出一定有3个同色的,至少要摸出几个球？ 请说 盒子里有同样大小红｀黄｀蓝｀黑｀白四种颜色的球各12个，要想...
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9个，当你的数目小雨9就算是8也有可能每种2个，第九个不论是啥都会凑齐3个10除3=3余1 3+1=4
我觉得，应该是摸7个
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