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ǰλãҳ > 【附5套中考模拟试卷】江苏省常州?019-2020学年中考数学二模考试卷含解析 - 百度文库

【附5套中考模拟试卷】江苏省常州?019-2020学年中考数学二模考试卷含解析 - 百度文库

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㾦⿼˴ϵκĽʽκͼϵƽıεʽȷǽĹؼ 271ĽʽΪy??2һκĽʽΪy=-x+12PΪx-1+140-1-1402+1702-1700,0

1Ak2Ӷ̣B뼴һκ. 2PA=PBP.AP=AB,P.BP=BAP.빫ʽ㼴. ⡿

1A-12෴ĽʽΪBm-1

õk2=-2

ϣm=2 ã

һκĽʽΪy=-x+1

2PΪ-1+140-1-1402+1702-1700,0㾦

⿼һκͼʺͷͼʣĹؼǴϵ.

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㾦⿼˴ϵκĽʽκͼϵƽıεʽȷǽĹؼ 271ĽʽΪy??2һκĽʽΪy=-x+12PΪx-1+140-1-1402+1702-1700,0 1Ak2Ӷ̣B뼴һκ. 2PA=PBP.AP=AB,P.BP=BAP.빫ʽ㼴. ⡿ 1A-12෴ĽʽΪBm-1⣬õk2=-2 ϣm=2 ãһκĽʽΪy=-x+1

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