八年级数学上册乘法公式130Word格式文档下载.docx
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40229982(p+5q)2
(x-10)2-(x+4)2(2x+8y+5)(2x+8y-5)2
(2x-3y-1)2[(x+8)(x-8)]2
先化简,再求值。
(4x+5y)2-(5x-2y)(2x+5y),其中x=10,y=-3
11
(—x+y)(—x-y)(5xy+5)(5xy-5)
88
(3a-b)(b+3a)(-b-4)(b+4)
94×
89702×
699
(a-3)2(x+7y)2(-m+6n)2
10327982(p+7)2
(x-1)2-(2x+4)2(x+5y+1)(x+5y-1)2
(2x-3y-4)2[(x+5)(x-5)]2
(x-8)2-(5x-y)(x+5y),其中x=4,y=5
55
(—x+y)(—x-y)(2xy+10)(2xy-10)
44
(a-b)(b+a)(-b-4)(b+4)
91×
89104×
99
(3a-3b)2(x+4)2(-m-9n)2
932572(-p+2q)2
(x+2)2+(2x+6)2(x+8y+4)(x+8y-4)2
(3x-y+5)2[(x+4)(x-4)]2
(x+7)2-(2x-5y)(5x+2y),其中x=2,y=3
99
(—x+y)(—x-y)(xy+9)(xy-9)
(6a-2b)(2b+6a)(-6b-9)(6b+9)
89403×
399
(2a+5)2(x-9y)2(-m-3)2
80012972(4p+5q)2
(x+8)2+(2x-1)2(4x-y+10)(4x-y-10)2
(x-4y-3)2[(3x+3)(3x-3)]2
(x-8)2-(4x-5y)(5x+4y),其中x=-10,y=-1
66
(—x+y)(—x-y)(2xy+9)(2xy-9)
(a-b)(b+a)(-b-9)(b+9)
89903×
899
(3a+2b)2(x-5)2(-m-9n)2
2001299982(-2p-7q)2
(x+7)2+(x-1)2(4x+y+9)(4x+y-9)2
(x-5y+4)2[(x+1)(x-1)]2
(x-9)2-(x-3y)(3x+y),其中x=-8,y=3
(—x+y)(—x-y)(4xy+5)(4xy-5)
(5a-b)(b+5a)(-b-10)(b+10)
81×
79704×
(3a-8b)2(2x-6)2(-2m+4n)2
1000222972(-p+2q)2
(x+10)2-(3x+6)2(x+y+6)(x+y-6)2
(3x+y-5)2[(x+9)(x-9)]2
(4x+4)2-(x-y)(x+y),其中x=6,y=-1
77
(—x+y)(—x-y)(xy+4)(xy-4)
(4a-5b)(5b+4a)(-4b-3)(4b+3)
93×
89203×
(a+6b)2(4x+3)2(m+7n)2
9032982(-p-7q)2
(2x+3)2-(2x-7)2(3x-7y+4)(3x-7y-4)2
(x-4y+1)2[(3x+5)(3x-5)]2
(3x-2)2+(6x-6y)(6x+6y),其中x=-6,y=-7
22
(—x+y)(—x-y)(xy+3)(xy-3)
(a-5b)(5b+a)(-4b-8)(4b+8)
59502×
499
(a-8b)2(2x-5)2(m-9)2
932692(p-6q)2
(2x-3)2+(x+7)2(x+y+5)(x+y-5)2
(x+y+4)2[(3x+5)(3x-5)]2
(x+3)2+(5x-y)(x+5y),其中x=-4,y=5
(—x+y)(—x-y)(xy+5)(xy-5)
(2a-b)(b+2a)(-5b-7)(5b+7)
44×
39601×
599
(4a+2b)2(2x-7y)2(4m-5n)2
700226982(-2p+2q)2
(2x+7)2-(4x-3)2(x+y+10)(x+y-10)2
(x+y-2)2[(x+1)(x-1)]2
(x-8)2-(5x-6y)(6x+5y),其中x=0,y=11
(—x+y)(—x-y)(2xy+4)(2xy-4)
(a-6b)(6b+a)(-b-5)(b+5)
89902×
(a-2b)2(4x+3)2(2m-2)2
50129982(-p-9q)2
(x-10)2-(x-7)2(4x+8y+2)(4x+8y-2)2
(x-y+5)2[(x+3)(x-3)]2
(4x-4)2-(4x-y)(x+4y),其中x=8,y=7