ǰλãҳ > 2018-2019学年浙江省宁波市海曙区七年级(?期中数学试卷 - 百度文库
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B0.7610
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22
B2a2ab+2ac D2ab2ab+2ac
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A12 CDDCE
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236
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B٢ڢ
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103֣x+axx3x9bij˻вxxab A
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113֣㣺3ab? 9ab2x 123֣2aba3b
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2a+4b
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173֣ʽ4a+1һʽʹܳΪһʽȫƽôϵĵʽ һΪȷļɣ
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32
23
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2n
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2|xy2|+3x+2y110
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229֣ó˷ʽ 110298
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22x3yy3x3xy 3x3y2x3y2
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249֣֪Щʽƽͼεʾ磺a+ba+2ba+3ab+2bͿͼ1ʾϵ˵
1ͼ2дʽдʽ㣺2xy3 2x+y+z1xy+yz+xz4x+y+zֵ
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