第十三届“希望杯”初二第二试有四道比较大小的题,这四道题都不能直接比大小,要采取一些转化的手段才能达到目的.怎样转化?这正是培养我们创新思维的好机会机会… The thirteenth “Hope Cup” for the second day of the second year has four questions of more or less size. These four questions cannot be directly compared to the size. Some transformational means must be adopted to achieve the goal. How to transform? This is how we cultivate our innovation. Good opportunities for thinking opportunities...