八年级数学上册完全平方公式125.docx
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八年级数学上册完全平方公式125.docx
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八年级数学上册完全平方公式125
(x-10)2904×896
(-t-10)2(a+6)(a-6)
(-7x+2y)2(a+b)(a-b)
1
(y-—)2(7+y)(-7+y)
9
11
(—x+—)2(10b+5)(10b-5)+(3b-10)(4b+6)
22
(6x+2y-3)(6x-2y+3)(t+4)(t-4)
(3a+3b-c)2(c+4)(c-4)
(4x+y+1)(4x-y-1)(8x+y)(8x-y)
(-6x+2y)(-6x-2y)(b+5)(b-5)+(b-2)(b-1)
(s-7)2301×299
(-9x+5)2(5a+1)(5a-1)
(-6x+y)2(a+8b)(a-8b)
1
(y-—)2(3x+5y)(-3x+5y)
9
45
(—x-—y)2(c+8)(c-8)+(4c-6)(2c-5)
34
(x+2y-7)(x-2y+7)(a+2)(a-2)
(3a-b-c)2(x+1)(x-1)
(4x+y+z)(4x-y-z)(6x+4y)(6x-4y)
(x+3y)(x-3y)(b+4)(b-4)-(b-9)(b-7)
(a-3)2402×398
(-x-10)2(-a+b)(-a-b)
(-x+3y)2(1+6b)(1-6b)
1
(y-—)2(9+9y)(-9+9y)
6
41
(—x-—)2(x+3)(x-3)-(3x-8)(4x+9)
32
(x+3y-5)(x-3y+5)(b+1)(b-1)
(a-b+1)2(t+7)(t-7)
(2x+y+z)(2x-y-z)(x+y)(x-y)
(-3x+2y)(-3x-2y)(y+9)(y-9)+(y+5)(y-6)
(b+3)2703×697
(2x+4)2(8a+8)(8a-8)
(9x+y)2(6+b)(6-b)
1
(y-—)2(6x+5y)(-6x+5y)
9
11
(—x+—)2(b+3)(b-3)-(4b-2)(2b+5)
24
(4x+y-7)(4x-y+7)(a+7)(a-7)
(a-2b+c)2(y+5)(y-5)
(2x+y+4)(2x-y-4)(5x+y)(5x-y)
(-8x+6y)(-8x-6y)(x+7)(x-7)-(x-2)(x+6)
(c+10)242×38
(9c+8)2(-5a+9)(-5a-9)
(6x-y)2(a+b)(a-b)
1
(y-—)2(4x+y)(-4x+y)
9
11
(—x+—y)2(3a+1)(3a-1)-(4a+7)(3a-3)
25
(x+2y-7)(x-2y+7)(c+4)(c-4)
(a-3b+c)2(a+7)(a-7)
(2x+2y+z)(2x-2y-z)(9x+2y)(9x-2y)
(3x+8y)(3x-8y)(b+1)(b-1)+(b-3)(b-9)
(c-7)2803×797
(-s-10)2(9a+6)(9a-6)
(-4x+3y)2(1+6b)(1-6b)
1
(y+—)2(7+4y)(-7+4y)
3
32
(—x-—y)2(x+5)(x-5)+(2x-6)(4x+3)
43
(3x+2y-9)(3x-2y+9)(a+7)(a-7)
(a+3b-8)2(s+1)(s-1)
(x+y+4)(x-y-4)(7x+y)(7x-y)
(9x+2y)(9x-2y)(c+3)(c-3)-(c-6)(c-5)
(s-2)294×86
(6a-6)2(8a+b)(8a-b)
(x+y)2(6a+5b)(6a-5b)
1
(y+—)2(x+y)(-x+y)
6
11
(—x+—y)2(7c+6)(7c-6)-(3c-10)(2c+9)
25
(5x+y-2)(5x-y+2)(b+3)(b-3)
(3a+b+6)2(8b+6)(8b-6)
(x+3y+z)(x-3y-z)(8x+y)(8x-y)
(2x+y)(2x-y)(s+10)(s-10)+(s-9)(s-9)
(a+6)2501×499
(3c-10)2(-4a+9b)(-4a-9b)
(4x+2y)2(6+b)(6-b)
1
(y+—)2(1+y)(-1+y)
2
11
(—x-—y)2(c+8)(c-8)-(4c+10)(2c+1)
55
(x+y-8)(x-y+8)(b+8)(b-8)
(a+2b+c)2(b+5)(b-5)
(4x+y+2)(4x-y-2)(7x+y)(7x-y)
(x+9y)(x-9y)(c+8)(c-8)+(c+8)(c+6)
(t+9)2505×495
(9s-3)2(8a+7b)(8a-7b)
(2x-y)2(a+b)(a-b)
1
(y+—)2(7x+y)(-7x+y)
9
33
(—x-—)2(b+5)(b-5)-(3b+4)(3b-7)
44
(6x+y-9)(6x-y+9)(b+8)(b-8)
(3a-3b+10)2(c+3)(c-3)
(3x+2y+2)(3x-2y-2)(4x+8y)(4x-8y)
(-9x+9y)(-9x-9y)(x+8)(x-8)-(x-4)(x-8)
(b+6)2404×396
(-t+3)2(a+b)(a-b)
(x+y)2(4+2b)(4-2b)
1
(y-—)2(3+y)(-3+y)
7
21
(—x-—y)2(x+4)(x-4)+(3x-8)(4x-6)
32
(x+y-9)(x-y+9)(a+4)(a-4)
(a+b-4)2(2b+4)(2b-4)
(x+y+3)(x-y-3)(3x+8y)(3x-8y)
(3x+4y)(3x-4y)(y+10)(y-10)-(y-7)(y-1)
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- 八年 级数 上册 完全 平方 公式 125