甲車(chē)隊(duì)有50輛汽車(chē),乙車(chē)隊(duì)有41輛汽車(chē).如果要使乙車(chē)隊(duì)汽車(chē)數(shù)比甲車(chē)隊(duì)的汽車(chē)數(shù)的2倍還多1輛,應(yīng)從甲車(chē)隊(duì)調(diào)多少輛車(chē)到乙車(chē)隊(duì)?

答案:
解析:

設(shè)應(yīng)從甲車(chē)隊(duì)調(diào)x輛車(chē)到乙車(chē)隊(duì),則調(diào)完后甲車(chē)隊(duì)有車(chē)50x輛,乙車(chē)隊(duì)有車(chē)41x輛,由題可得:41x2×(50x)1,解得x20,所以應(yīng)從甲車(chē)隊(duì)調(diào)20輛車(chē)到乙車(chē)隊(duì).


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