假設一家6個孩子，加上夫妻，就是8個人。等老大結婚分出去，變為兩家，就是（7+2）/2=4.5人，和你文中說的一樣。

來源: supercs88 於 2026-02-08 17:11:11 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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