七年级数学下册用整式乘法公式的计算题 558.docx
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七年级数学下册用整式乘法公式的计算题558
(-5x-9)(-5x-9)
(2x+9)(2x-9)
(-x+3y)2
-2(x+y)2
(-x+2y)(x+2y)
(2mn+)(2mn-)-6m2n2
6x2-(2x+2)(2x-2)
(4x+3y+z)(4x+3y-z)
(+3)2-(-3)2
(-3x-6)(-3x+6)
(3x+3)(3x+3)
(-x+2y)2
-3(x-y)2
4(-x+2y)(x+2y)
(2mn+)(2mn-)-6m2n2
2x2-(3x+2)(3x-2)
(x+y+2z)(x+y-2z)
(+5)2-(-5)2
(-9x+4)(-9x+4)
(9x+8)(9x+8)
(-x-3y)2
-3(x-y)2
2(-x+2y)(x+2y)
(mn+)(mn-)-6m2n2
6x2-(2x+1)(2x-1)
(3x-3y+3z)(3x-3y-3z)
(+5)2-(-5)2
(-8x-3)(-8x+3)
(3x+2)(3x-2)
(-x+2y)2
-3(x+y)2
(-x-2y)(x+2y)
(2mn+)(2mn-)-3m2n2
5x2-(3x+1)(3x-1)
(x-y+3z)(x-y-3z)
(+5)2-(-5)2
(-4x-5)(-4x-5)
(6x-1)(6x-1)
(-x-3y)2
-2(x+y)2
(-x+y)(x+y)
(3mn+)(3mn-)-6m2n2
x2-(x+4)(x-4)
(3x-y+z)(3x-y-z)
(+4)2-(-4)2
(-7x+7)(-7x-7)
(7x-4)(7x+4)
(-x-y)2
-3(x-y)2
(-x-y)(x+y)
(3mn+)(3mn-)-6m2n2
5x2-(3x+4)(3x-4)
(4x+4y+z)(4x+4y-z)
(+5)2-(-5)2
(-3x+5)(-3x-5)