400-600-1123
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答案：
E
1) 蓝卡的
2）红卡的数量是2，白卡的数量未知，不能知道红白卡的数量是否小于6
1）和2）红卡是2，蓝卡是4，如果白卡是5，红白卡的数量仍然超过6
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lgw1082： 这个有点难啊2020.12.10 16:09回复
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