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近年来各地的中考试题不断推陈出新,真可谓百花齐放,精彩纷呈,本文略举几例,以飨读者。例1 (安徽省2000年中考题)比较下面两列算式结果的大小:(在横线上选填“>”、“<”、“=”) 42+32——2×4×3 (-2)2+12——2×(-2)×1 (2~(1/2))2+(1/2)2——2×2~(1/2)×1/2
In recent years, the examination questions in various places have been continuously introduced. It can be said that there are hundreds of flowers and colorful paintings. This article gives a few examples to readers. Example 1 (Anhui middle school exam in 2000) Compare the size of the following two formulas: (Select “>”, “<”, “=” on the horizontal line) 42+32 - 2 x 4 x 3 (- 2) 2+12——2×(-2)×1 (2~(1/2))2+(1/2)2——2×2~(1/2)×1/2