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Senior High
Biology
求解!!這種題目我不知道怎麼算www
Biology
Senior High
over 2 yearsago
綾
求解!!這種題目我不知道怎麼算www
4 8 要改 D )如果一對夫妻血型分別為A型和B型,且第一胎為A型男孩,請問第二胎為AB型女孩的 機率為多少?(A) 5/12 (B) 5/24 (C) 3/8 (D) 3/16 DOTA 承上題,如果一對夫妻血型分別為A型和B型,且第一胎為A型男孩,請問第二胎男孩為 AB型的機率為多少?(A) 5/12 (B) 5/24 (C) 3/8 (D) 3/16 E
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