鸡兔同笼,共有51个头,172只腿.鸡兔各有多少只?

2025-03-21 23:38:52
推荐回答(1个)
回答(1):

(172-51×2)÷(4-2),
=(172-102)÷2,
=70÷2,
=35(只),
51-35=16(只).
答:有鸡16只,兔35只.