七年级数学下册用整式乘法公式的计算题 351Word文档下载推荐.docx
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x-
y)2
x-y)(
x-y)
(2mn+
)(2mn-
)-5m2n2
6x2-(x+1)(x-1)
(4x+4y+3z)(4x+4y-3z)
(
+4)2-(
-4)2
(-5x+7)(-5x-7)
(6x+3)(6x+3)
x-2y)2
x+y)
(mn+
)(mn-
4x2-(3x+2)(3x-2)
(3x-y+z)(3x-y-z)
+3)2-(
-3)2
(-6x+1)(-6x+1)
(x+3)(x+3)
x-y)2
x+
4(-
x-3y)(
x+3y)
)-1m2n2
x2-(3x+3)(3x-3)
(2x-4y+z)(2x-4y-z)
(-6x+2)(-6x-2)
(x-9)(x+9)
x-3y)2
-(
2(-
x-3y)
(3mn+
)(3mn-
)-2m2n2
x2-(x+1)(x-1)
(2x-y+2z)(2x-y-2z)
+5)2-(
-5)2
(-9x-2)(-9x-2)
(8x-9)(8x-9)
3(-
x2-(3x+2)(3x-2)
(3x+4y+z)(3x+4y-z)
+1)2-(
-1)2
(-9x+1)(-9x-1)
(4x+3)(4x+3)
-2(
)-3m2n2
2x2-(2x+4)(2x-4)
(4x+4y+2z)(4x+4y-2z)
(-2x+7)(-2x+7)