B上場在剩下的兩門隨機打開一個,那換不換的概率是一樣的。
所有跟帖:
• 對麽!B隨機打開一車,換不換都一樣(輸)。 -15少- ♂ (125 bytes) () 05/23/2023 postreply 23:26:36
• 對麽!B隨機打開一車,換不換都一樣(輸)。 -15少- ♂ (125 bytes) () 05/23/2023 postreply 23:26:36
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