八年级数学上册完全平方公式97.docx
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八年级数学上册完全平方公式97
(t-7)2704×696
(6b-5)2(-2a+5b)(-2a-5b)
(-7x-2y)2(5a+b)(5a-b)
1
(y-—)2(8+4y)(-8+4y)
3
15
(—x+—y)2(7a+6)(7a-6)-(2a-10)(3a+10)
24
(2x+y-3)(2x-y+3)(b+8)(b-8)
(a+b+c)2(a+4)(a-4)
(x+3y+4)(x-3y-4)(x+2y)(x-2y)
(-x+y)(-x-y)(y+1)(y-1)-(y-1)(y+5)
(t+3)292×88
(s-2)2(-8a+2)(-8a-2)
(-8x-4y)2(6a+b)(6a-b)
1
(y+—)2(x+y)(-x+y)
9
41
(—x-—)2(c+3)(c-3)+(4c-7)(4c-3)
54
(x+y-1)(x-y+1)(s+3)(s-3)
(3a-b-5)2(4x+10)(4x-10)
(x+y+z)(x-y-z)(8x+9y)(8x-9y)
(3x+y)(3x-y)(x+9)(x-9)-(x+8)(x+2)
(x-7)2803×797
(c-3)2(4a+1)(4a-1)
(5x-y)2(8+b)(8-b)
1
(y-—)2(x+6y)(-x+6y)
3
61
(—x-—)2(10c+2)(10c-2)+(4c-7)(3c-5)
54
(2x+2y-4)(2x-2y+4)(b+7)(b-7)
(2a+b-c)2(b+10)(b-10)
(2x+y+z)(2x-y-z)(x+5y)(x-5y)
(-x+y)(-x-y)(c+2)(c-2)-(c-9)(c-2)
(x-4)2303×297
(-9b-10)2(-a+b)(-a-b)
(-x-4y)2(6+8b)(6-8b)
1
(y-—)2(9+5y)(-9+5y)
3
41
(—x+—y)2(s+4)(s-4)+(3s-3)(2s+4)
34
(4x+3y-1)(4x-3y+1)(s+1)(s-1)
(a-2b+c)2(9t+9)(9t-9)
(2x+y+1)(2x-y-1)(x+8y)(x-8y)
(2x+8y)(2x-8y)(a+6)(a-6)-(a-2)(a+9)
(x-1)251×49
(y-9)2(-a+4)(-a-4)
(3x+y)2(6a+8b)(6a-8b)
1
(y+—)2(5x+y)(-5x+y)
2
11
(—x+—y)2(9a+4)(9a-4)-(3a-7)(4a-5)
25
(x+3y-2)(x-3y+2)(b+7)(b-7)
(3a+b-6)2(4b+5)(4b-5)
(2x+y+z)(2x-y-z)(x+8y)(x-8y)
(x+9y)(x-9y)(t+2)(t-2)-(t+7)(t-4)
(s+5)2205×195
(-a+4)2(7a+7b)(7a-7b)
(-4x+y)2(a+8b)(a-8b)
1
(y+—)2(x+y)(-x+y)
4
13
(—x+—y)2(b+9)(b-9)+(3b-8)(2b-4)
22
(4x+y-6)(4x-y+6)(c+5)(c-5)
(2a-2b-c)2(t+3)(t-3)
(x+3y+4)(x-3y-4)(x+y)(x-y)
(4x+y)(4x-y)(t+1)(t-1)-(t-2)(t+6)
(x-2)2802×798
(8y+4)2(-5a+6)(-5a-6)
(2x-y)2(4a+4b)(4a-4b)
1
(y+—)2(9+7y)(-9+7y)
2
62
(—x-—y)2(x+3)(x-3)+(3x-1)(2x-4)
53
(x+3y-5)(x-3y+5)(c+10)(c-10)
(3a+2b-c)2(5c+1)(5c-1)
(2x+y+z)(2x-y-z)(x+9y)(x-9y)
(-x+y)(-x-y)(s+2)(s-2)+(s+2)(s+3)
(x-3)235×25
(6b-3)2(-6a+7)(-6a-7)
(-x-y)2(8+2b)(8-2b)
1
(y-—)2(7x+y)(-7x+y)
2
11
(—x-—)2(a+8)(a-8)+(4a-5)(3a+10)
53
(3x+y-3)(3x-y+3)(y+9)(y-9)
(a+3b+c)2(b+1)(b-1)
(3x+3y+z)(3x-3y-z)(x+y)(x-y)
(x+y)(x-y)(x+3)(x-3)+(x+8)(x+5)
(t-6)2702×698
(-5y+8)2(-3a+7)(-3a-7)
(x-y)2(5+2b)(5-2b)
1
(y-—)2(3x+5y)(-3x+5y)
4
11
(—x+—y)2(y+8)(y-8)+(2y-1)(2y-5)
22
(x+y-6)(x-y+6)(b+1)(b-1)
(3a-2b-c)2(9a+10)(9a-10)
(x+2y+z)(x-2y-z)(2x+2y)(2x-2y)
(-x+y)(-x-y)(t+6)(t-6)+(t+7)(t+2)
(s+8)283×77
(-a-2)2(-a+7b)(-a-7b)
(-3x-3y)2(8+6b)(8-6b)
1
(y-—)2(7x+2y)(-7x+2y)
2
31
(—x-—y)2(y+8)(y-8)-(4y+9)(2y+9)
42
(6x+y-5)(6x-y+5)(c+1)(c-1)
(a-2b-c)2(a+3)(a-3)
(x+y+z)(x-y-z)(x+4y)(x-4y)
(8x+2y)(8x-2y)(x+8)(x-8)-(x+3)(x-1)