七年级数学下册用整式乘法公式的计算题 176Word格式.docx
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(+4)2-(-4)2
(-5x+1)(-5x-1)
(9x-6)(9x-6)
(-x-y)2
-3(x+y)2
3(-x+y)(x+y)
(2mn+)(2mn-)-5m2n2
3x2-(3x+4)(3x-4)
(x-y+3z)(x-y-3z)
(+5)2-(-5)2
(-9x+4)(-9x+4)
(2x+9)(2x+9)
(-x-2y)2
-2(x-y)2
3(-x-2y)(x-2y)
(2mn+)(2mn-)-1m2n2
2x2-(x+3)(x-3)
(3x+2y+2z)(3x+2y-2z)
(+2)2-(-2)2
(-6x+2)(-6x-2)
(7x-5)(7x+5)
(-x-3y)2
(-x+3y)(x-3y)
6x2-(2x+1)(2x-1)
(2x+2y+z)(2x+2y-z)
(-5x-8)(-5x-8)
(9x-3)(9x-3)
(-x+3y)2
-(x+y)2
(2mn+)(2mn-)-2m2n2
2x2-(x+1)(x-1)
(3x+3y+z)(3x+3y-z)
(x+6)(x-6)
(-x+2y)2
2(-x+3y)(x-3y)
5x2-(x+2)(x-2)
(3x-2y+2z)(3x-2y-2z)
(-7x+7)(-7x-7)
(5x+6)(5x-6)
-2(x+y)2
(3mn+)(3mn-)-6m2n2