七年级数学下册用整式乘法公式的计算题 711.docx
《七年级数学下册用整式乘法公式的计算题 711.docx》由会员分享,可在线阅读,更多相关《七年级数学下册用整式乘法公式的计算题 711.docx(4页珍藏版)》请在冰豆网上搜索。
![七年级数学下册用整式乘法公式的计算题 711.docx](https://file1.bdocx.com/fileroot1/2022-10/11/24cafcbb-76d9-4707-a746-fc5a1637a138/24cafcbb-76d9-4707-a746-fc5a1637a1381.gif)
七年级数学下册用整式乘法公式的计算题711
(-7x-9)(-7x-9)
(7x+4)(7x+4)
(-x-2y)2
-(x-y)2
2(-x-2y)(x-2y)
(2mn+)(2mn-)-1m2n2
2x2-(3x+2)(3x-2)
(x+y+3z)(x+y-3z)
(+2)2-(-2)2
(-5x-2)(-5x+2)
(4x-4)(4x+4)
(-x-y)2
-2(x+y)2
4(-x-3y)(x+3y)
(2mn+)(2mn-)-5m2n2
3x2-(2x+2)(2x-2)
(4x-y+z)(4x-y-z)
(+4)2-(-4)2
(-8x-2)(-8x-2)
(8x-9)(8x-9)
(-x+2y)2
-3(x+y)2
4(-x+3y)(x-3y)
(3mn+)(3mn-)-3m2n2
2x2-(2x+1)(2x-1)
(x+4y+2z)(x+4y-2z)
(+1)2-(-1)2
(-4x+7)(-4x+7)
(7x-4)(7x-4)
(-x-3y)2
-2(x-y)2
2(-x+3y)(x-3y)
(mn+)(mn-)-4m2n2
2x2-(3x+1)(3x-1)
(4x-3y+3z)(4x-3y-3z)
(+4)2-(-4)2
(-5x-9)(-5x-9)
(2x+2)(2x-2)
(-x-y)2
-(x+y)2
(-x+2y)(x-2y)
(mn+)(mn-)-5m2n2
5x2-(x+3)(x-3)
(4x+2y+3z)(4x+2y-3z)
(+1)2-(-1)2
(-3x+3)(-3x-3)
(8x-8)(8x+8)
(-x+3y)2
-3(x-y)2
3(-x+y)(x+y)
(3mn+)(3mn-)-5m2n2
x2-(3x+4)(3x-4)
(4x-2y+z)(4x-2y-z)
(+2)2-(-2)2
(-9x-7)(-9x+7)