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如图1,一个长方形被分成11个不同尺寸的正方形,其中最小正方形的边长是9cm,求长方形的边长. 解设第二个小
As shown in Figure 1, a rectangle is divided into 11 squares of different sizes, where the length of the smallest square is 9cm, and the length of the sides of the rectangle is found.