学英语（英文）

<正>There are 7 questions in total,presenting various different question types.While you attempt to resolve the problems,remember to be creative.During accomplishing these flexible mathematical exercises,you can inspire your mathematical thinking.1.An alligator population in a nature preserve in the Everglades decreases by 60alligators over     

学英语（英文）

<正>There are 7 questions in total,presenting various different question types.While you attempt to resolve the problems,remember to be creative.During accomplishing these flexible mathematical exercises,you can inspire your mathematical thinking.1.If you total the ages of Bob and Bill,you'll get 50.Ten years ago Bobs was twice as old as Bill.     

学英语（英文）

<正>There are 8 questions in total,presenting various different question types.While you attempt to resolve the problems,remember to be creative.During accomplishing these flexible mathematical exercises,you can inspire your mathematical thinking.1.Charlie and Rocco are going to a 1:30 PM movie.It takes 45 minutes to get there from Charlie's home.They are going to stop for a hotdog before the movie,when takes 30 mi-     

学英语（英文）

<正>There are 6questions in total,presenting various different question types.While you attempt to resolve the problems,remember to be creative.During accomplishing these flexible mathematical exercises,you can inspire your mathematical thinking.     

学英语（英文）

<正>In this essay we’re going to get introduced to the Pythagorean theorem,which is fun on its own.Named after the Greek philosopher who lived nearly2600years ago,the Pythagorean theorem is as good as math theorems.It’s simple.It’s beautiful.It’s powerful.In this topic,we’ll figure out what is the Pythagorean theorem and how to use it.     

学英语（英文）

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学英语（英文）

<正>There are 10questions in total,presenting various different question types.While you attempt to resolve the problems,remember to be creative.During accomplishing these flexible mathematical exercises,you can inspire your mathematical thinking.1.The number 1-16are to be placed in a magic square so that each of the rows,columns,     

学英语（英文）

<正>In mathematics,geometry has attracted people’s attention.In addition,The area of rectangles is important for students.Students must be proficient in how to solve these problems So,today we will talk aboutGeometry:Area of Rectangles.     

学英语（英文）

<正>In mathematics,a frequency distribution is a table that displays the frequency of various outcomes in a sample.Each entry in the table contains the frequency or count of the occurrences of values within a particular group or interval,and in this way,the table summarizes the distribution of values in the sample.Today we will talk aboutMedian and Mode.     

学英语（英文）

<正>There are 6questions in total,presenting various different question types.While you attempt to resolve the problems,remember to be creative.During accomplishing these flexible mathematical exercises,you can inspire your mathematical thinking.1.The areas of the faces of a cuboid are 84cm2,70cm2 and 30cm2.Find the volume of the cuboid in cm3.2.Find the sum of all the integers N>1with the properties that the each prime factor of Nis either 2,3,5 or 7,and Nis not divisible by any perfect cube greater than 1.     

学英语（英文）

<正>There are 3 questions in total,presenting various different question types.While you attempt to resolve the problems,remember to be creative.During accomplishing these flexible mathematical exercises,you can inspire your mathematical thinking.1.The price for monthly monitoring services was decreased form $30 to $24.Calculate the     

学英语（英文）

<正>In mathematics,we often encounter the question:Tell whether 2,320is divisible by 2,3,5,or 10,then classify the number as even or odd.At the moment,you can use the divisibility rules to solve the question.Today we will talk aboutDivisibility Patterns.Divisibility Patterns A number is evenly divisible by another number if the result is an integer with no remain-     

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<正>In mathematics,an inequation is a statement that an inequality holds between two values.It is usually written in the form of a pair of expressions denoting the values in question,with a relational sign between them indicating the specific inequality relation.Today we will talk about     

学英语（英文）

<正>There are 8questions in total,presenting various different question types.While you attempt to resolve the problems,remember to be creative.During accomplishing these flexible mathematical exercises,you can inspire your mathematical thinking.1.A Fazooto and a Pazooto together cost 50cents.A Pazooto and a Razooto together cost 60cents.A Razooto and a Fazooto together cost 70cents.How much does each Pazooto cost?     

学英语（英文）

<正>There are two passages calledCounting before numbers.The lucky-number.While you read the passage,you could know the history of counting,and be honored of our ancestor.Whats more,you could learn more about luck number,many people believe that some numbers can bring good luck,while some are often connected with misfortune.Form now on,there will     

学英语（英文）

There are 10questions in total,presenting various different question types.While you attempt to resolve the problems,remember to be creative.During accomplishing these flexible mathematical exercises,you can inspire your mathematical thinking.     

学英语（英文）

<正>There are 7questions in total,presenting various different question types.While you attempt to resolve the problems,remember to be creative.During accomplishing these flexible mathematical exercises,you can inspire your mathematical thinking.1.If box A can fit inside box B,box C can fit box D,and boxes B and the same size,which of     

学英语（英文）

There are 9questions in total,presenting various different question types.While you attempt to resolve the problems,remember to be creative.During accomplishing these flexible mathematical exercises,you can inspire your mathematical thinking.1.What is the perimeter of a right triangle if the lengths of its two smallest sides are 15and 36?2.If a∶b∶c=6∶7∶11,what is the value of c-a?     

学英语（英文）

There are 6questions in total,presenting various different question types.While you attempt to resolve the problems,remember to be creative.During accomplishing these flexible mathematical exercises,you can inspire your mathematical thinking.1.What is the diameter of a circle whose area is A?(A)2A槡π(B)A槡π(C)A2π(D)Aπ(E)2槡Aπ2.If a,b,and c are positive numbers such that 3a=4b=5c,and if a+b+kc,what is the value of k?(A)1235(B)57(C)107(D)75(E)3512     

学英语（英文）

<正>There are 7questions in total,presenting various different question types.While you attempt to resolve the problems,remember to be creative.During accomplishing these flexible mathematical exercises,you can inspire your mathematical thinking.1.A fruit dealer packages pears in two different box sizes.One size holds 5pears and the other