The average of two numbers is x .if one of the numbers is 3m-5,then the other number,in terms of x and m,is __ 6m-10-x我的理解是:2个数的平均数是x,其中一个是3m-5,所以,设另一个数是 y,(y+3m-5)/2=x,答案应该是:y=2x-3m+5但是原题答案感觉是,(x+y)/2=3m-5请高手分析...
百度试题 结果1 题目 8 The average of two numbers is 80. If one of the numbers is 64, what is the other number? 3(1) 16(2) 72(3) 96(4) 144 相关知识点: 试题来源: 解析 3 反馈 收藏
average的用法如下：作为名词，average指一组数的算术平均值。例：The average of the three numbers 2, 3, and 4 is 3.（这三个数字2、3和4的平均数是3。）average作为形容词，描述某物或某人是普通的、典型的或正常的。例：His performance was just average.（他的表现只是一般。）作为动词，...
2. On average: -固定短语,意为“平均地”、“一般来说”。 -例如:We receive around 20 emails per day on average.(我们平均每天收到约20封电子邮件。) 3. The average of something: -指某个数值的算术平均值。 -例如:The average of these three numbers is 15.(这三个数的平均值是15。) 4. Ab...
（她的智力高于一般水平。）Their expenses averaged out to $200 a month.（他们的开支平均每月为200美元。）On average, how much time do you spend on homework each day?（你平均每天花多少时间做家庭作业？）The average of the three numbers is 15.（这三个数字的平均数是15。）...
if two numbers have an average of 28 and one of the number is 13,use the formula to find the other number. 相关知识点: 试题来源: 解析 m和n的平均数可以用 A=m+n/2表示 如果两个数的平均数是28,其中一个数是13,则另一个数是多少? 设另一个数是x. 则(x+13)/2=28 x=43 分析总结。
1.【a number of /numbers of + 复数名词】的结构里其谓语动词应用复数动词；eg:A large number of apples(大量苹果) have become bad.大量的苹果已经变质腐烂。2.【the number of +复数名词】的结构中谓语动词应用单数形式。eg:The number of the girls(女生的数量) in the classroom is twenty.教室里女生...
"the average of"：在更特定的场景中使用，特别关注某个数据集或概念的平均值。例子1: The professor asked the students to find the average of the first ten prime numbers. (教授要求学生找出前十个质数的平均值。)例子2: The team analyzed the data and presented the results for the ...
Two numbers are removed. The average of the remaining seven numbers is also 6. The bigger of the 2 numbers removed is three times the smaller number. What is the smaller number?3Ans: 相关知识点: 试题来源: 解析 3B:S:T3:1:46×9=546×7=4254-42=124U-121U-12÷4=3 反馈 收藏 ...
1. 意义不同： mean通常指的是统计学中的平均数，而average则是指总数除以观察次数的平均值。例句：- The mean of the numbers 2, 4, and 6 is 4.2、4、6这几个数的平均数是4。- The average score for the class was 75.这个班级的平均分是75分。2. 应用场景不同： mean通常用于连续...