人教版初二数学上册多项式乘多项式练习题精选21文档格式.docx
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41
(—ab3-6ab)•—abx(x-4)-3x(2x-3)+3x(3x+1)
54
(2x-8)(x+3)(x+3y)(4x+4y)
(3x+3y)(x2-xy-y2)(m-n)(2m-4n)
(a+2)2(4a-4b)(a-6b)
(x2+4)(x+6)(x2+x+3)(x+1)
(x+3)(x+1)(x+2)(x-4)
(y-3)(y-2)(y-4)(y+1)
(-7x3)(-3x+9)-4a(7a+4b)(7x-7y)(-8x)
51
(—ab2-2ab)•—abx(x-2)+x(3x-2)+2x(x-4)
45
(3x-2)(x-2)(x-8y)(2x+3y)
(x+2y)(x2-3xy-y2)(2m-n)(4m+n)
(a+4)2(4a+6b)(3a-b)
(4x2+8)(2x+1)(3x2+x-2)(x+1)
(x-1)(x-1)(x-5)(x-6)
(y-1)(y-2)(y+3)(y+2)
(-x2)(8x+8)7a(8a-3b)(9x-5y)(-9x)
(—ab2-5ab)•—ab3x(x-4)+x(3x-3)+4x(3x-2)
34
(x+3)(x-4)(4x-9y)(x-8y)
(x+3y)(x2+xy-y2)(4m+n)(3m-n)
(a+3)2(3a-b)(4a-7b)
(x2+7)(x-4)(3x2+x+1)(x-1)
(x+4)(x-3)(x-2)(x+4)
(y-2)(y-1)(y-1)(y+1)
(-x2)(-5x-4)-5a(4a+5b)(5x-8y)(-2x)
(—ab3-6ab)•—abx(3x+3)-2x(x-2)+2x(x-4)
65
(x-9)(3x+7)(x+y)(x+y)
(2x-2y)(x2-2xy+y2)(3m+n)(m-5n)
(a-2)2(a+8b)(a-5b)
(2x2-8)(x+2)(x2+x-1)(4x-1)
(x-1)(x+2)(x+2)(x-1)
(y-3)(y+3)(y-4)(y-1)
(-8x4)(8x-9)-3a(5a-2b)(4x+4y)(-8x)
21
(—ab2+3ab)•—ab2x(x-2)+x(x-4)+2x(4x-3)
32
(3x-7)(2x+5)(x-5y)(3x+y)
(x+3y)(x2+xy+y2)(4m+n)(m+n)
(a+4)2(2a+b)(a-b)
(4x2-6)(3x+7)(x2-3x+3)(x+3)
(x-3)(x+1)(x-1)(x+5)
(y-2)(y-1)(y-2)(y+1)
(-x3)(4x+8)5a(4a-4b)(6x-2y)(-7x)
31
(—ab2-2ab)•—ab24x(x+2)-2x(2x-1)+x(3x-3)
43
(3x-9)(x-3)(4x-y)(x-y)
(x+y)(x2-xy+y2)(m+n)(2m+2n)
(a-1)2(a+b)(3a-b)
(x2+5)(3x+2)(3x2-x-3)(x+3)
(x+2)(x-2)(x+5)(x-6)
(y+3)(y+1)(y+3)(y-1)
(-x3)(-8x-6)5a(3a+5b)(8x+8y)(-7x)
(—ab3-2ab)•—abx(x-3)-x(x+4)-4x(x+1)
(3x+8)(4x-1)(x-y)(3x+2y)
(x-y)(x2-xy-y2)(m+3n)(4m-n)
(a-4)2(2a+4b)(4a+b)
(4x2-1)(4x-6)(x2+x+3)(x+1)
(x-4)(x-3)(x-2)(x+6)
(y+3)(y+3)(y-4)(y-1)
(-x4)(7x+4)-6a(9a+5b)(6x+8y)(-7x)
(—ab3+4ab)•—abx(3x-1)-2x(x+4)+2x(4x-3)
(4x-9)(2x-7)(x+y)(4x-7y)
(2x-y)(x2-xy+y2)(4m-n)(3m+3n)
(2a-1)2(3a-b)(a-b)
(x2+5)(4x-9)(x2-x-1)(x-2)
(x-2)(x-1)(x+3)(x+1)
(y+1)(y-1)(y+2)(y+1)
(-x2)(9x+2)9a(7a+9b)(7x-7y)(-3x)
(—ab2-5ab)•—ab24x(4x-4)+x(4x-3)+3x(x+3)
(3x+9)(2x-3)(2x-6y)(x-3y)
(x+y)(x2+xy-y2)(m+9n)(3m-n)
(a-2)2(a+b)(3a-b)
(x2-9)(4x-6)(3x2+x-1)(x-1)
(x+1)(x-3)(x-6)(x+3)
(y-2)(y-2)(y-1)(y+1)
(-x2)(5x-6)-6a(4a-6b)(5x-7y)(-8x)
(—ab3+5ab)•—ab3x(x-2)+