200分求一道数学题,懂英文的来拉,图片应该会一会儿会上去Two points P and Q on level ground are on opposite sides of a building.To find the distance between the points,a surveyor chooses a point R that is a = 328 feet from P and c
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200分求一道数学题,懂英文的来拉,图片应该会一会儿会上去Two points P and Q on level ground are on opposite sides of a building.To find the distance between the points,a surveyor chooses a point R that is a = 328 feet from P and c
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