七年级数学下册用整式乘法公式的计算题 215Word下载.docx
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(-x-2y)2
-(x-y)2
(-x-3y)(x-3y)
(3mn+)(3mn-)-6m2n2
2x2-(x+4)(x-4)
(2x+y+2z)(2x+y-2z)
(+5)2-(-5)2
(-5x-7)(-5x+7)
(3x+4)(3x+4)
-3(x-y)2
2(-x+y)(x+y)
6x2-(2x+3)(2x-3)
(2x-2y+3z)(2x-2y-3z)
(+1)2-(-1)2
(-9x+5)(-9x-5)
(x-4)(x-4)
(-x-y)2
-(x+y)2
2(-x-2y)(x-2y)
(2mn+)(2mn-)-4m2n2
4x2-(x+4)(x-4)
(3x+4y+z)(3x+4y-z)
(+3)2-(-3)2
(-2x-3)(-2x-3)
(8x+6)(8x+6)
(-x-3y)2
(2mn+)(2mn-)-1m2n2
6x2-(2x+4)(2x-4)
(x+4y+2z)(x+4y-2z)
(+2)2-(-2)2
(-8x-5)(-8x+5)
(9x-4)(9x-4)
-2(x-y)2
2(-x-2y)(x+2y)
(2mn+)(2mn-)-6m2n2
2x2-(2x+1)(2x-1)
(2x+2y+z)(2x+2y-z)
(-6x+9)(-6x-9)
(6x+4)(6x-4)
-2(x+y)2
(-x+2y)(x+2y)
(3mn+)(3mn-)-1m2n2
4x2-(3x+2)(3x-2)
(4x-y+3z)(4x-y-3z)