人教版初二数学上册乘法公式综合练习题精选10文档格式.docx
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(4x+y-7)(4x-y+7)(t+5)(t-5)
(a+b+c)2(5c+8)(5c-8)
(x+y+z)(x-y-z)(2x+y)(2x-y)
(-7x+2y)(-7x-2y)(a+5)(a-5)-(a+3)(a+1)
(c+8)2501×
499
(c+2)2(a+5)(a-5)
(x+y)2(5+8b)(5-8b)
(y+—)2(4x+y)(-4x+y)
6
41
(—x-—y)2(2x+5)(2x-5)-(2x-1)(3x+6)
(6x+y-2)(6x-y+2)(c+5)(c-5)
(2a-b-c)2(s+10)(s-10)
(2x+y+z)(2x-y-z)(x+3y)(x-3y)
(-2x+y)(-2x-y)(y+4)(y-4)-(y+6)(y+6)
(b-8)2504×
496
(-9c-5)2(-7a+4)(-7a-4)
(-8x+y)2(2+b)(2-b)
(y+—)2(6x+6y)(-6x+6y)
9
21
(—x+—)2(b+1)(b-1)+(2b+1)(3b-7)
32
(6x+3y-9)(6x-3y+9)(y+2)(y-2)
(a-b+7)2(9y+5)(9y-5)
(x+y+z)(x-y-z)(x+y)(x-y)
(-x+y)(-x-y)(x+4)(x-4)+(x-8)(x-9)
(t+1)261×
59
(3b-8)2(a+8)(a-8)
(x-y)2(a+b)(a-b)
(y-—)2(7x+y)(-7x+y)
4
11
(—x-—)2(7x+1)(7x-1)+(2x-4)(4x+5)
45
(5x+3y-4)(5x-3y+4)(y+8)(y-8)
(a-b-c)2(y+10)(y-10)
(x+3y+z)(x-3y-z)(5x+7y)(5x-7y)
(x+y)(x-y)(c+5)(c-5)-(c-9)(c+7)
(s-6)243×
37
(5b+2)2(a+7)(a-7)
(-x+y)2(a+7b)(a-7b)
(y-—)2(x+y)(-x+y)
(—x-—)2(3c+8)(3c-8)-(3c+9)(2c+10)
55
(x+y-8)(x-y+8)(b+5)(b-5)
(2a+3b-c)2(4a+7)(4a-7)
(4x+y+2)(4x-y-2)(8x+y)(8x-y)
(8x+9y)(8x-9y)(c+4)(c-4)-(c+6)(c-3)
(s+5)281×
79
(-c+1)2(a+6)(a-6)
(-5x+y)2(5+b)(5-b)
(y-—)2(6+4y)(-6+4y)
31
(—x+—)2(a+2)(a-2)+(3a+10)(3a+8)
42
(x+y-8)(x-y+8)(s+9)(s-9)
(3a-b-c)2(8c+6)(8c-6)
(3x+3y+z)(3x-3y-z)(4x+y)(4x-y)
(5x+3y)(5x-3y)(c+5)(c-5)-(c-5)(c-8)
(x-5)2805×
795
(a-4)2(-a+5)(-a-5)
(x+2y)2(a+b)(a-b)
(y-—)2(3+6y)(-3+6y)
14
(—x+—)2(t+3)(t-3)-(4t-10)(2t-5)
35
(x+3y-3)(x-3y+3)(s+2)(s-2)
(a-b-c)2(2t+1)(2t-1)
(2x+y+1)(2x-y-1)(4x+2y)(4x-2y)
(-6x+5y)(-6x-5y)(x+4)(x-4)+(x+2)(x+5)
(a+8)235×
25
(x+1)2(-5a+9)(-5a-9)
(-x-3y)2(6+b)(6-b)
(y-—)2(6+y)(-6+y)
15
(—x-—)2(s+3)(s-3)+(4s+6)(4s-3)
44
(6x+2y-4)(6x-2y+4)(s+4)(s-4)
(a+b-c)2(4c+6)(4c-6)
(4x+2y+z)(4x-2y-z)(2x+y)(2x-y)
(-x+y)(-x-y)(t+3)(t-3)-(t+7)(t-4)
(y+10)2805×
(c-9)2(-7a+7)(-7a-7)
(-8x+3y)2(a+7b)(a-7b)
(y+—)2(9x+4y)(-9x+4y)
(—x-—)2(8b+2)(8b-2)+(3b+5)(4b+4)
(2x+2y-6)(2x-2y+6)(x+10)(x-10)
(a-b-10)2(5c+3)(5c-3)
(3x+y+z)(3x-y-z)(9x+3y)(9x-3y)
(2x+y)(2x-y)(a+4)(a-4)+(a-4)(a+2)
(b+1)241×
39
(c+5)2(-7a+8)(-7a-8)
(6x+y)2(a+6b)(a-6b)
(y+—)2(4+6y)(-4+6y)
3
(—x+—y)2(8c+7)(8c-7)-(4c+4)(4c-4)
(x+y-2)(x-y+2)(t+9)(t-9)
(3a-b+2)2(t+6)(t-6)
(x+y+4)(x-y-4)(x+9y)(x-9y)
(9x+8y)(9x-8y)(c+3)(c-3)-(c-7)(c+1)
(b-5)265×
55
(s+7)2(9a+3b)(9a-3b)
(x-y)2(8a+9b)(8a-9b)
(y+—)2(5x+2y)(-5x+2y)
5
(—x+—)2(x+2)(x-2)+(2x+6)(2x+3)