人教版初中八年级数学上册因式分解练习题大全91Word文档下载推荐.docx
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人教版初中八年级数学上册因式分解练习题大全91Word文档下载推荐.docx
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25a2+20a+49a2+6a(m+n)+(m+n)2
5a-20a2b2a4bc+40b3
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49-81a232x2-2y2
25a2-36(4x-y)2-(x+y)2
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8p(2+a)+20q(2+a)8(2+a)-m(2+a)
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36y2-400(x-y)2-(x+10y)2
100-160x+64x2(x-y)2-8m(x-y)+16m2
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20q(x-2)-4q(x-2)6(x-2)-m(x-2)
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0.04n2-49(9x-3y)2-(x-10y)2
4-12n+9n2(x+y)2-10m(x+y)+25m2
49a2+84a+3636a2+12a(x+y)+(x+y)2
35a-80a312abc+80bc
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25m2-36(6x+y)2-(x-10y)2
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35a-30a18a3bc-50b
20q(y+1)-28p(y+1)2(y+1)-m(y+1)
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55a3-80ab14ab2c+10bc
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20a2+70a2a4bc+70b3c
8p(y-3)+16p(y-3)2(y-3)+m(y-3)
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6q(8+a)-28p(8+a)4(8+a)+m(8+a)
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100a+60a218abc+30bc
16p(6-a)-12p(6-a)4(6-a)-m(6-a)
36-81n275x2-12y2
0.49y2-9(x+5y)2-(x-y)2
25-50x+25x2(a+b)2-6m(a+b)+9m2
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20p(y-5)-24p(y-5)8(y-5)-m(y-5)
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64+96a+36a2(m+n)2-10m(m+n)+25m2
100m2-80m+169a2+6a(m-n)+(m-n)2
90a4-60a3b18a3bc-70bc
10q(y-5)-40p(y-5)4(y-5)+m(y-5)
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45a-30a418a2b2c-20b
14p(8+a)-32p(8+a)4(8+a)-m(8+a)
9-16m24x2-4y2
0.36y2-121(7x-2y)2-(x-9y)2
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4q(3+b)-32p(3+b)8(3+b)+m(3+b)
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4p(6-b)-36p(6-b)2(6-b)-m(6-b)
49-81b23x2-75y2
0.25x2-1(8x+y)2-(2x+10y)2
9+12n+4n2(x+y)2+10m(x+y)+25m2
4y2-40y+10036a2+12a(x-y)+(x-y)2
5a4+100a310ab2c+70bc
20p(x+9)+24q(x+9)2(x+9)+m(x+9)
1-9y23x2-3y2
16b2-144(x-y)2-(x-y)2
36-108b+81b2(x+y)2-12m(x+y)+36m2
25y2+30y+94a2+4a(a-b)+(a-b)2
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