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最佳答案：trianglecirclerectanglesquare
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最佳答案：倒数（reciprocal）2^5=the fifth power of 2abscissa横坐标ordinate纵坐标quadrant象限coordinate
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最佳答案：Same as the main building design use triangle shape
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最佳答案：A triangle can be made of these 3 integers.
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最佳答案：In triangle ABC,length of AB is 7.BD is a bisector of ∠ABCThe average number of
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最佳答案：Use the edges of each of the three sides of a right triangle ABC,as a side outwa