设鸡x兔就是10-x
2x+4(10-x)=24得到x=8
兔子2只
笼中有鸡又有兔,数数头共有10个,数数脚共有24只,笼中有鸡多少?有兔多少?
笼中有鸡又有兔,数数头共有10个,数数脚共有24只,笼中有鸡多少?有兔多少?
数学人气:507 ℃时间:2019-11-18 18:27:03
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