七年级数学下册用整式乘法公式的计算题 11.docx
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七年级数学下册用整式乘法公式的计算题11
(-x-3y)2
-(x-y)2
3(-x-y)(x-y)
(3mn+)(3mn-)-3m2n2
2x2-(3x+1)(3x-1)
(2x+y+3z)(2x+y-3z)
(+3)2-(-3)2
(-4x-4)(-4x+4)
(7x-1)(7x+1)
(-x-3y)2
-3(x+y)2
2(-x+y)(x-y)
(2mn+)(2mn-)-5m2n2
4x2-(x+1)(x-1)
(x+4y+z)(x+4y-z)
(+5)2-(-5)2
(-3x+1)(-3x+1)
(3x+9)(3x+9)
(-x-y)2
-(x+y)2
2(-x+3y)(x-3y)
(mn+)(mn-)-4m2n2
4x2-(x+1)(x-1)
(3x-y+z)(3x-y-z)
(+4)2-(-4)2
(-5x+5)(-5x-5)
(3x+3)(3x+3)
(-x+y)2
-2(x-y)2
3(-x+y)(x-y)
(3mn+)(3mn-)-1m2n2
2x2-(3x+2)(3x-2)
(2x+y+3z)(2x+y-3z)
(+2)2-(-2)2
(-3x+7)(-3x-7)
(4x-9)(4x-9)
(-x+y)2
-3(x+y)2
(-x-3y)(x+3y)
(mn+)(mn-)-5m2n2
2x2-(3x+2)(3x-2)
(3x-y+2z)(3x-y-2z)
(+3)2-(-3)2
(-3x-1)(-3x+1)
(7x+8)(7x+8)
(-x+2y)2
-3(x+y)2
3(-x-3y)(x+3y)
(2mn+)(2mn-)-6m2n2
2x2-(3x+2)(3x-2)
(4x+y+3z)(4x+y-3z)
(+1)2-(-1)2
(-4x+7)(-4x+7)
(8x+4)(8x+4)
(-x+3y)2