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2019-2020学年人教版九年级第一学期期末数学试卷(含答? - 百度文库

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𡿽⣺ߡBOCBACͬԵԲĽԲܽǣBOC120㣬 BACBOC60㣮 ѡB

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3κyx24x+1yaxh2+kʽΪ

Ayx42+1 Byx423 Cyx223 Dyx+223 ϵټһϵһƽȫƽʽһʽתΪʽ

𡿽⣺yx24x+1 x24x+4+14

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⿼˶κʽκĽʽʽ 1һʽyax2+bx+ca0abcΪ 2ʽyaxh2+k

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2019-2020学年人教版九年级第一学期期末数学试卷(含答? - 百度文库.doc ĵWordĵصԣ㸴ơ༭ղغʹӡ
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