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2011-09-13 19:39:00   来源：liuxuepaper.Com    双击单词自动翻译

　　Figured out mathematically, the area of a square is the side squared. Column A will, then, yield a square with area x2. Column B will yield a square with area 4x2. x2 compared to 2x2 gives us an answer choice of (B) because 2x2 is 美国GREater. You could have picked numbers for the sides of the squares and would have still come out with Column B being 美国GREater.

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