116问答网 > 今有鸡、兔共居一笼，已知鸡头和兔头共 15个，鸡腿和兔腿共44只，问鸡兔各有多 少只？

今有鸡、兔共居一笼，已知鸡头和兔头共 15个，鸡腿和兔腿共44只，问鸡兔各有多 少只？

2025-03-16 02:15:02
推荐回答（3个）
回答1：

你好！

鸡有：
（4x15-44）÷(4-2)
=(60-44)÷2
=16÷2
=8只

兔子有15-8=7只

很高兴为你解答！希望能够帮助到你。有不明白的地方请追问，满意请采纳。谢谢！

回答2：

设有鸡x只，则兔15-x只
2x+4(15-x)=44
2x+60-4x=44
2x=16
x=8
即：有鸡8只，则兔15-8=7（只）

回答3：

设方程这题就方便了
设鸡x只 兔y只
x+y=15
2x+4y=44
解得x=8，y=7
即鸡8 兔7

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