七年级数学下册用整式乘法公式的计算题 79Word文档格式.docx
《七年级数学下册用整式乘法公式的计算题 79Word文档格式.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 79Word文档格式.docx(4页珍藏版)》请在冰豆网上搜索。
(3x+4)(3x-4)
(-x+2y)2
-(x-y)2
(-x+y)(x+y)
(mn+)(mn-)-5m2n2
3x2-(2x+2)(2x-2)
(2x-3y+2z)(2x-3y-2z)
(-9x-7)(-9x+7)
(3x+4)(3x+4)
(-x-y)2
3(-x+y)(x-y)
(2mn+)(2mn-)-6m2n2
6x2-(2x+3)(2x-3)
(2x-3y+z)(2x-3y-z)
(+1)2-(-1)2
(-5x+9)(-5x+9)
(9x-8)(9x+8)
(-x-3y)2
-3(x-y)2
(-x-3y)(x-3y)
6x2-(x+2)(x-2)
(x+4y+z)(x+4y-z)
(+4)2-(-4)2
(-3x+1)(-3x+1)
(5x-7)(5x-7)
(-x+3y)2
-2(x+y)2
3(-x-y)(x-y)
(3mn+)(3mn-)-4m2n2
x2-(3x+3)(3x-3)
(x+2y+z)(x+2y-z)
(+5)2-(-5)2
(-9x-5)(-9x+5)
(5x-8)(5x-8)
(-x-2y)(x+2y)
(2mn+)(2mn-)-4m2n2
2x2-(2x+3)(2x-3)
(3x-3y+2z)(3x-3y-2z)
(-5x+1)(-5x-1)
(6x-7)(6x+7)
-(x+y)2
2(-x+3y)(x-3y)
(mn+)(mn-)-4m2n2
2x2-(2x+1)(2x-1)
(3x-3y+3z)(3x-3y-3z)