1-(2/3)^100.
其实最简单的考虑是:不管是先雪山后草地,还是先草地后雪山,每次经过人数都变为原来的2/3.所以过100次,损失人的比例是
本帖于 2026-01-13 17:03:06 时间, 由普通用户 L94607 编辑
1-(2/3)^100.
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