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《九章算术》是我国古代著名数学暮作,书中记载:“今有圆材,埋在壁中,不知大小以锯锯之,深一寸,锯道长一尺,问径几何?”用数学语言可表述为,“如图,CD为⊙O的直径,弦AB⊥DC于E,ED=1寸,AB...
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《九章算术注》
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圆材埋壁是我国古代著名数学著作九章算术中的问题今有圆材埋在壁中不知大小以锯锯之深一寸锯道长一尺问径
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