(1)养鸡场养公鸡和母鸡共4800只,公鸡只数是母鸡只数的60%.公鸡有多少只?(2)养鸡场养公鸡比母鸡少1

2025-03-23 02:22:56
推荐回答(1个)
回答1:

(1)4800÷(1+60%)×60%,
=4800÷1.6×0.6
=3000×0.6,
=1800(只);
答:公鸡有1800只.

(2)1200÷(1-60%),
=1200÷0.4,
=3000(只);
答:母鸡有3000只.