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作文地带导读：We’ll lay out for you the different problem-solving approaches and tell you all you need to know about them.), but your goal is to pick easy-to-manipulate numbers. Using our numbers, it takes the baseball player 1005 = 20 hou...

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作文地带导读：An exponent defines the number of times a number is to be multiplied by itself. For example, in ab, where a is the base, and b the exponent, a is multiplied by itself b times. In a numerical example, 25 = 2　2　2　2　2. An exp...

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作文地带导读：a pyramid with base area B and height h: 　　You should know all these formulas without needing the reference area; don’t neglect to memorize and understand the formulas because you have the reference area as a crutch. Instea...

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作文地带导读：There are often several ways to answer a Math IC question. You can use trial and error, you can set up and solve an equation, and, for some questions, you might be able to answer the question quickly, intuitively, and elegantl...

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作文地带导读：If you’ve grasped these concepts, your weakness in math isn’t going to hurt you.　　ETS breaks down the concepts you need to know for the test into six categories:TopicPercentage of the Test (These figures are only approxima...

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作文地带导读：“You’ll find a gas station if you follow this road 20 miles due north.”III.” “You’ll find a gas station if you follow this road 20 miles due north” deals with the vector quantity of displacement. When asking directions ...

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作文地带导读：There are also certain styles of questions that lend themselves to particular process-of-elimination methods.Classification QuestionsQuestions 1–3 relate to the following quantities:(A)Frequency...

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作文地带导读：Well, you do get something: when you look at this question, you can throw out C and D as answer choices, leaving you with a one in three chance of getting the question right if you guess. Your extra knowledge gives you better ...

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作文地带导读：The question asks for the mass of oxygen, so convert moles of oxygen to grams and you have the answer:10.9 mol44.01 g/mol = 349 g oxygenMolar mass(44.11)(32.00)(44.01)(18.02)...

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摘要：雅思写作中的最佳素材莫过于名人名言，在雅思写作中加入名人名言，无疑会提高你的雅思写作作文的水准。 You have to believe in yourself . That's the secret of success .(Charles Chaplin , American actor ) 人必须相信自己，这是成功的秘诀。 (美...

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