>
数学
>
鸡兔同笼,上面有48个头,下面有124只脚,鸡和兔各有几只?
人气:357 ℃ 时间:2020-04-20 23:45:44
解答
设有鸡x只 兔48-x只
2x+4(48-x)=124
2x+192-4x=124
2x=68
x=34
48-34=14只
答:鸡34只 兔14只
推荐
鸡兔同笼,共有头48个,脚132只,求鸡和兔各有多少只?
鸡兔同笼,共有48个头,共有160只脚,鸡和兔各有几只?
鸡兔同笼,从上面数有48个头,从下面数有126只脚,笼子里的鸡和兔各有多少只?
鸡兔同笼,从上面数有40个头 下面数124只脚 鸡和兔各有多少只
鸡兔同笼,鸡和兔的数量一样多,共有48条腿,求鸡和兔各有几只.
两数和为3,积为-10 求这两个数
用英语简单描写你的房间
以我的卧室写一篇英语作文
猜你喜欢
carefully
After paying 1000 dollars ____,you will all become full memebers of our club A each B all c every
Our class has a map of the world (改为同义句)
The baby didn't cry any more when she saw her mother.同义句
How do you go to school,on foot or by bus?
时间旅行的悖论
设f(x)=ax7+bx5+cx3+dx+5,其中a,b,c,d为常数.若f(-7)=-7,则f(7)=_.
计算1-3+5-7+9-11+…+97-99.
© 2024 79432.Com All Rights Reserved.
电脑版
|
手机版