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 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 melting point of a solid is the temperature at which the solid becomes a liquid.The melting point of bromine is 1/30of the melting point of the melting point of nitrogen.Write and     

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.If the ratio of A to B is 3∶4and the ratio of B to C is 5∶6,what is the ratio of A∶C?You can express this in a fraction.     

学英语（英文）

<正>There are 6 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.My brother has a summer job and earns $5 an hour.He is going to work 5 hours a day for 5 days a week,and will do this for total weeks.     

学英语（英文）

<正>~~     

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.     

学英语（英文）

<正>There are 5 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.My friend Billy needs some help.His math teacher told him to take a look at the addition problem below.     

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.     

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>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>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 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）

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 number of people boarded a bus at the terminal.At the first stop,half of the passengers got off and I got on.At the second stop,13of the passengers on the bus got off and I got     

学英语（英文）

<正>In this essay we’re going to get introduced to thesymmetric figure(轴对称图形).In mathematics,symmetryhas a more precise(清晰的、清楚的)definition,that an object is invariant to any of various transformations;Including reflection,rotation(旋转、转的)or scaling(缩放比例).Although these two meanings ofsymmetrycan sometimes be told apart,they are related,so they are here discussed together.Today we will talk aboutsymmetric     

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     

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.You and a friend both work two different jobs.The system of linear equations the total earn-     

学英语（英文）

<正>There are 5 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.