只是属于六年级的抽屉原理.
扑克牌共有54张,排除两张大小王,还剩下54-2=52张.
算式——
13×3 + 1 = 40张
一副扑克牌共54张,至少从中取出多少张牌,才能保证其中有4种花色都有?
一副扑克牌共54张,至少从中取出多少张牌,才能保证其中有4种花色都有?
(大小王除外)
(大小王除外)
数学人气:906 ℃时间:2020-04-05 01:14:36
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