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外国数学问题选辑

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<正> 1. Tom is driving a jeep at a constant speed of 55 MPH. A sports car one-half miles behind Tom is moving at a constant speed, it passes Tom in 60 seconds. How many miles per hour is the speed of the sports car? 2. What is the value of the sum 2~(-1)+2~(-2)+2~(-3)+…+2~(-9)+2~(-10)? Express your answer as a common fraction. 3. The average of twelve different positive integers is 12. What is the greatest possible value of any one of these numbers?(本文共计1页)       [继续阅读本文]

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时代数学学习(七年级)杂志2002年第11期
时代数学学习(七年级)
主办:江苏教育出版社
出版:时代数学学习(七年级)杂志编辑部
出版周期:月刊
出版地:江苏省南京市

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