七年级数学下册用整式乘法公式的计算题 163文档格式.docx
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3(-x+2y)(x+2y)
(mn+)(mn-)-4m2n2
2x2-(x+4)(x-4)
(3x-2y+z)(3x-2y-z)
(+1)2-(-1)2
(-4x-7)(-4x-7)
(8x-1)(8x-1)
(-x+y)2
-(x+y)2
4(-x-y)(x+y)
(2mn+)(2mn-)-6m2n2
x2-(2x+3)(2x-3)
(3x-4y+z)(3x-4y-z)
(-7x-4)(-7x+4)
(6x-7)(6x+7)
(-x-2y)2
-2(x-y)2
2(-x+3y)(x+3y)
x2-(x+3)(x-3)
(2x-y+2z)(2x-y-2z)
(+5)2-(-5)2
(-8x-4)(-8x+4)
(4x+1)(4x-1)
-3(x-y)2
4(-x-2y)(x-2y)
(mn+)(mn-)-5m2n2
x2-(3x+3)(3x-3)
(x-3y+2z)(x-3y-2z)
(+2)2-(-2)2
(-7x+5)(-7x+5)
(8x+1)(8x+1)
(-x+2y)2
3(-x-2y)(x-2y)
(3mn+)(3mn-)-6m2n2
x2-(3x+1)(3x-1)
(4x+4y+2z)(4x+4y-2z)
(-7x-4)(-7x-4)
(x-9)(x-9)
2(-x-2y)(x+2y)
(3mn+)(3mn-)-1m2n2
4x2-(x+2)(x-2)
(x-y+3z)(x-y-3z)
(-8x+4)(-8x-4)
(4x-2)(4x+2)