假設全是鶴
68-24*2=20
20/(4-2)=10
有10只兔
有24-10=14只鶴
雞兔同籠(假設法)
雞兔同籠(假設法)
兔,鶴公24只共有68條腿,求兔,鶴公多少只
兔,鶴公24只共有68條腿,求兔,鶴公多少只
數(shù)學人氣:517 ℃時間:2020-09-10 01:32:44
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