首 页
大学试题
CMS专题
工学
经济学
专升本
法学
教育学
历史学
更多分类
搜索
题库考试答案搜索网 > 题目详情
当前位置：
首页
>
A farmer has a field containing a certain number of pigs and hens. Between them they have 36 heads and 100 feet. How many pigs and hens does the farmer have?
>
题目详情
问题题干
答案解析
相关问题
热门问题
最新问题
问题详情
A farmer has a field containing a certain number of pigs and hens. Between them they have 36 heads and 100 feet. How many pigs and hens does the farmer have?
时间：2022-11-04 15:06
关键词：
全国大学生英语竞赛（NECCS）
系列之四：D类
答案解析
14 pigs and 22 hens
假设有x头猪，y只鸡，那么可得以下方程组： x+y=36 4x+2y=100 解此方程组可得x=14,y=22。
相关问题
I′d_____his reputation with other farmers and business people in the community, and then make a decision about whether or not to approve a loan
If a boy or a girl has grown up in a home with sharing tasks and decisions，he or she will probably______.
设a=5，b=4，c=3，d=2，则表达式3＞2*b Or a=c And b＜＞c Or c＞d的值是
设a=5，b=4，c=3，d=2，则表达式3＞2*b Or a=c And b＜＞c Or c＞d的值是
The Urgency Signal（）indicates that the station calling has a very urgent message to transmit concerning the safety of a ship or aircraft，or of some person on board or within sight.
最新问题
设a=“a”，b=“b”，c=“c”，d=“d”，执行语句x=Ilf((a＜b)Or(c＞d)，“A”，“B”)后，x的值为
设a="a"，b="b"，c="c"，d="d"，执行语句x=IIf((a＜B)Or(c＞D)，"A"，"B")后，x的值为
设a="a",b="b",c="c",d="d",执行语句x=IIf((a＜B)Or(c＞D)，"A","B")后，x的值为______。
设a="a"，b="b"，c="c"，d="d"，执行语句x=IIF((a＜B)Or(c＞D)，"A"，"B") 后，x的值为
设a="a"，b="b"，c="c"，d="d"，执行语句x=IIF((a＜b)Or(c＞d)，"A"，"B")后， x的值为
D设a="a",b="b",c="c",d="d",执行语句x=IIF((a<b) Or (c>d),"A","B")后,x的值为
设a=2，b=3，c=4，d=5，表达式3>2*b or a=c and b<>c or c>d的值是( )
设a=5，b=4，c=3，d=2，则表达式3＞2术b Or a=c And b＜＞c Or c＞d的值是
设a=5，b=4，c=3，d=2，下列表达式的值是 3＞2*b Or a=c And b＜＞C Or c＞d
设a=5,b=4,c=3,d=2,则表达式3>2*b Or a=c And b<>c Or c>d的值是
别人在看
题库考试答案搜索网 > 题目详情