一个男孩和一个女孩正在打牌。共有52张牌(包括4种类型:红色的心,红钻,黑黑桃和黑色的俱乐部只有一个1点卡,一个2张点卡......和一个13点的牌每个类型的卡)。男孩洗牌,并与他们的黑边朝上放卡。现在,这个女孩挑选出cards.In为了确保必须有2张卡的相同点和颜色,有多少卡至少应该她挑出一次?然后,以确保有一定的连续点(忽略颜色),有多少卡至少应该她挑选出一次3张牌?
求大神英语数学题翻译+解答A boy and a girl are playing cards. There are a
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