七年级数学下册用整式乘法公式的计算题 568.docx
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七年级数学下册用整式乘法公式的计算题568
(9x-6)(9x+6)
(-x-2y)2
-3(x+y)2
(-x-3y)(x+3y)
(2mn+)(2mn-)-1m2n2
4x2-(2x+4)(2x-4)
(3x-3y+2z)(3x-3y-2z)
(+4)2-(-4)2
(-7x+4)(-7x+4)
(2x+3)(2x-3)
(-x+y)2
-2(x+y)2
4(-x-2y)(x-2y)
(2mn+)(2mn-)-6m2n2
3x2-(2x+2)(2x-2)
(2x-4y+z)(2x-4y-z)
(+3)2-(-3)2
(-4x+4)(-4x-4)
(8x+3)(8x+3)
(-x-y)2
-2(x-y)2
4(-x+3y)(x-3y)
(mn+)(mn-)-2m2n2
6x2-(3x+3)(3x-3)
(4x+4y+z)(4x+4y-z)
(+3)2-(-3)2
(-8x-5)(-8x-5)
(2x+1)(2x+1)
(-x+2y)2
-(x-y)2
(-x-3y)(x-3y)
(mn+)(mn-)-6m2n2
6x2-(3x+3)(3x-3)
(2x-3y+z)(2x-3y-z)
(+2)2-(-2)2
(-9x+8)(-9x+8)
(7x+5)(7x-5)
(-x-y)2
-2(x-y)2
4(-x+2y)(x-2y)
(2mn+)(2mn-)-6m2n2
2x2-(2x+3)(2x-3)
(3x-3y+2z)(3x-3y-2z)
(+1)2-(-1)2
(-6x+8)(-6x-8)
(x+7)(x-7)
(-x+2y)2
-2(x+y)2
(-x+3y)(x-3y)
(2mn+)(2mn-)-3m2n2
6x2-(3x+2)(3x-2)
(2x-2y+3z)(2x-2y-3z)
(+5)2-(-5)2
(-7x+8)(-7x-8)
(x+6)(x+6)