人教版初二数学上册多项式乘多项式练习题精选80
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(x-6)(x+4) (x-y)(x-y)
(x-y)(x2-3xy-y2) (m+4n)(2m+n) (a-1)2(a+b)(a+5b)
(4x2-9)(4x+9) (x2-3x-2)(x-1)
(x-2)(x-1) (x-6)(x-6)
(y+1)(y+3) (y-1)(y+3)
(-5x3)(-8x-1) -6a(2a-6b) (4x+9y)(-3x)
3 1
(—ab3+5ab)•—ab32x(2x-2)+4x(x+3)-3x(2x+3) 4 3
(x+5)(4x-9) (2x-y)(x+2y)
(x-y)(x2+3xy+y2) (3m-n)(m+n) (a-3)2(3a+5b)(a-7b)
(3x2-7)(2x-1) (x2-3x-1)(4x-1)
(x-2)(x-3) (x-6)(x+2)
(y+1)(y+1) (y+4)(y+1)
(-x4)(7x-9) -6a(4a+9b) (3x-7y)(-2x)
2 1
(—ab2+2ab)•—ab 2x(x-3)+2x(4x+1)+4x(3x+4) 3 2
(x+3)(x+9) (4x-y)(x+9y)
(x-y)(x2+xy-y2) (3m-n)(3m+3n) (2a-4)2(3a-b)(a+b)
(2x2+2)(4x+6) (x2+x-1)(x-2)
(x-4)(x+2) (x+1)(x-4)
(y+1)(y-1) (y+2)(y+1)
(-x2)(4x-3) -4a(6a+7b) (4x+5y)(-8x)
4 1
(—ab2+5ab)•—ab2x(x+2)+3x(4x-2)-x(2x+3) 3 4
(2x+9)(4x+9) (3x-y)(4x+4y) (x+2y)(x2-xy+y2) (m+n)(m-n) (3a+2)2(4a+7b)(a+9b)
(x2-9)(2x+6) (3x2-x+1)(2x+3)
(x+4)(x-3) (x+4)(x+2)
(y+4)(y+3) (y-3)(y+2)
(-6x4)(-4x+7) -3a(3a+8b) (6x+2y)(-4x)
4 1
(—ab2+6ab)•—ab32x(2x+2)-x(x-3)-3x(x+1) 5 4
(x+2)(3x+3) (x-6y)(x-8y)
(2x-3y)(x2-xy-y2) (m+6n)(3m+n) (a+4)2(3a-8b)(4a+b)
(3x2+8)(3x+9) (x2-x+3)(4x+1)
(x-3)(x+1) (x-1)(x+1)
(y-1)(y-1) (y-1)(y+3)
(-4x2)(5x+9) 4a(4a-8b) (4x+6y)(-9x)
2 1
(—ab2+4ab)•—ab3x(x-4)-x(2x+3)-x(4x-1)
3 2
(x+6)(2x-9) (4x+8y)(4x-5y)
(3x-y)(x2+2xy+y2) (m+n)(3m+n) (3a-2)2(2a-b)(3a-b)
(4x2+9)(x-7) (x2+4x+2)(2x+3)
(x+4)(x-3) (x+3)(x+1)
(y-3)(y+2) (y+1)(y+3)
(-4x3)(-5x+9) -8a(3a+2b) (4x-8y)(-9x)
3 1
(—ab3+2ab)•—ab 4x(x-4)-2x(4x+3)-x(x+3) 4 3
(4x+4)(x-9) (x-y)(x+9y)
(2x-y)(x2-2xy-y2) (2m+3n)(3m+3n) (3a-2)2(3a+b)(a-6b)
(x2+7)(x-5) (x2-3x+2)(x+1)
(x+2)(x-3) (x-5)(x-1)
(y+3)(y+2) (y+2)(y-1)
(-x2)(7x+7) -3a(6a-8b) (9x-5y)(-8x)
7 1
(—ab3-2ab)•—ab 3x(4x+3)-4x(3x+1)+x(x-2) 6 7
(2x-7)(3x-9) (2x-y)(x-4y)
(2x-2y)(x2-2xy+y2) (m-6n)(4m-n) (a-3)2(a+2b)(2a+b)
(x2-7)(4x+2) (3x2+x-3)(4x-1)
(x-1)(x-1) (x-1)(x-2)
(y+2)(y-3) (y-2)(y-1)
(-5x4)(8x-1) -5a(5a+6b) (5x-3y)(-4x)
3 1
(—ab3+6ab)•—ab x(2x-2)+x(x-1)-x(x-1)
4 3
(x+2)(x-4) (x+8y)(2x+4y)
(x-2y)(x2+3xy-y2) (4m-n)(m+5n) (2a+4)2(a+2b)(3a+5b)
(x2+1)(x-2) (4x2+x+2)(x+2)
(x+1)(x+2) (x-1)(x+4)
(y-4)(y+3) (y-4)(y+2)
(-x2)(4x-3) -2a(9a+5b) (7x-4y)(-7x)
4 1
(—ab2-2ab)•—ab 4x(2x-4)+x(x-3)-2x(x+4) 5 4
(3x-9)(x-7) (3x+y)(3x+7y)
(3x+y)(x2-xy-y2) (2m-n)(m-n) (a+3)2(3a+b)(4a-b)
(2x2-6)(2x-2) (4x2+x-1)(x-3)