3. As figure 1, two 3 by 4 rectangles overlap in such a way that their sides are perpendicular. If the area and perimeter of the shaded region are 22 and 20 respectively, compute length AB.
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詳解 (共 1 筆)

家寧已上榜~感謝阿摩
家寧已上榜~感謝阿摩
詳解 #6023168
2024/02/04


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