設(shè)甲原來(lái)有X人,乙有140-X人
X*(1-1/6)：（140-X+X/6)=7：5
7（140-5X/6）=5*5X/6
980-35X/6=25X/6
10X=980
X=98
140-98=42
甲原來(lái)有98人,乙有42人
甲乙兩個(gè)分隊(duì)140人參加雪災(zāi)救援工作,如從甲隊(duì)調(diào)出1/6的人到乙隊(duì),甲乙兩隊(duì)人數(shù)比是7比5,甲乙兩隊(duì)原有多
甲乙兩個(gè)分隊(duì)140人參加雪災(zāi)救援工作,如從甲隊(duì)調(diào)出1/6的人到乙隊(duì),甲乙兩隊(duì)人數(shù)比是7比5,甲乙兩隊(duì)原有多
甲乙兩隊(duì)隊(duì)原有多少人
甲乙兩隊(duì)隊(duì)原有多少人
數(shù)學(xué)人氣：850 ℃時(shí)間：2020-05-06 23:27:26
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