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数形结合是一种重要的数学思想,在实际解题过程中,妙用数形结合往往能收到奇效,周茜阳同学已经尝到数形结合的甜头啦,不信?你继续往下看．
The combination of number and shape is an important mathematical idea. In the process of practical problem solving, the combination of magical use of numbers and shapes can often receive miraculous effects. Zhou Xiaoyang has already tasted the sweetness of the combination of numbers and shapes. Don’t believe it? You continue to look down.