甲队原有x人?乙队原有(200-x)人
(x-15)/(200-x+15)=3/11
甲乙两个工程队共有200人,如果从甲队抽出15人碉入乙队,则乙队人数和甲队的比是11:3,甲原有多少人?
甲乙两个工程队共有200人,如果从甲队抽出15人碉入乙队,则乙队人数和甲队的比是11:3,甲原有多少人?
数学人气:384 ℃时间:2020-05-06 19:10:32
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