初一数学下册平方差公式专项练习 13Word下载.docx
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初一数学下册平方差公式专项练习 13Word下载.docx
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(x+9)(x-9)(3x-7y)(3x+7y)
(3+5x)(3-5x)5x2+(y+3x)(y-3x)
(6-8a)(6+8a)(0.9x+0.5)(0.9x-0.5)
(a+4)(a-4)(x+2)(x-2)(x2+4)
(ab+5)(ab-5)(a+8)(a-8)(a2+64)
(-4m-5n)(-4m+5n)(an+b)(an-b)
(x+9y)(x-9y)(9mn-2n)(9mn+2n)
(y+2z)(y-2z)(-9x-5y)(-9x+5y)
(8x+8)(8x-8)(8x-9y)(8x+9y)
(-8x+10)(-8x-10)(3a-4b)(3a+4b)
(4-3a)(4+3a)(0.1x+0.6)(0.1x-0.6)
(6m-n)(6m+n)+2n2(-5k+6)(-5k-6)
(3x+1)(3x-1)(4x-5y)(4x+5y)
(3+2x)(3-2x)8x2-(y+2x)(y-2x)
(8-2a)(8+2a)(0.9x+0.3)(0.9x-0.3)
(a+4)(a-4)(x+3)(x-3)(x2+9)
(ab+6)(ab-6)(a+3)(a-3)(a2+9)
(-8m-5n)(-8m+5n)(an+9b)(an-9b)
(x+8y)(x-8y)(4mn-2n)(4mn+2n)
(y+6z)(y-6z)(-9x-5y)(-9x+5y)
(x+5)(x-5)(x-7y)(x+7y)
(-5x+7)(-5x-7)(2a-5b)(2a+5b)
(7-2a)(7+2a)(0.2x+0.3)(0.2x-0.3)
(8m-2n)(8m+2n)-3n2(-9k+1)(-9k-1)
(9x+3)(9x-3)(x-5y)(x+5y)
(1+8x)(1-8x)8x2-(y+2x)(y-2x)
(2-9a)(2+9a)(0.1x+0.8)(0.1x-0.8)
(a+10)(a-10)(x+3)(x-3)(x2+9)
(ab+9)(ab-9)(a+7)(a-7)(a2+49)
(-7m-3n)(-7m+3n)(an+8b)(an-8b)
(x+7y)(x-7y)(9mn-n)(9mn+n)
(y+7z)(y-7z)(-2x-5y)(-2x+5y)
(3x+3)(3x-3)(7x-y)(7x+y)
(-7x+3)(-7x-3)(4a-2b)(4a+2b)
(4-9a)(4+9a)(0.7x+1)(0.7x-1)
(7m-3n)(7m+3n)+2n2(-k+7)(-k-7)
(8x+10)(8x-10)(4x-3y)(4x+3y)
(3+4x)(3-4x)2x2-(y+5x)(y-5x)
(10-9a)(10+9a)(0.1x+0.7)(0.1x-0.7)
(a+5)(a-5)(x+8)(x-8)(x2+64)
(ab+1)(ab-1)(a+6)(a-6)(a2+36)
(-6m-5n)(-6m+5n)(an+9b)(an-9b)
(x+2y)(x-2y)(9mn-n)(9mn+n)
(y+4z)(y-4z)(-8x-3y)(-8x+3y)
(4x+3)(4x-3)(5x-y)(5x+y)
(-5x+10)(-5x-10)(8a-b)(8a+b)
(4-4a)(4+4a)(0.4x+0.3)(0.4x-0.3)
(7m-3n)(7m+3n)+5n2(-7k+6)(-7k-6)
(4x+2)(4x-2)(8x-8y)(8x+8y)
(1+10x)(1-10x)9x2-(y+3x)(y-3x)
(7-8a)(7+8a)(0.9x+0.7)(0.9x-0.7)
(a+1)(a-1)(x+1)(x-1)(x2+1)
(ab+7)(ab-7)(a+6)(a-6)(a2+36)
(-8m-n)(-8m+n)(an+b)(an-b)
(x+5y)(x-5y)(8mn-3n)(8mn+3n)
(y+8z)(y-8z)(-x-4y)(-x+4y)
(3x+6)(3x-6)(6x-7y)(6x+7y)
(-x+4)(-x-4)(a-3b)(a+3b)
(7-6a)(7+6a)(0.3x+1)(0.3x-1)
(4m-5n)(4m+5n)-4n2(-8k+9)(-8k-9)
(7x+1)(7x-1)(8x-4y)(8x+4y)
(9+8x)(9-8x)6x2-(y+3x)(y-3x)
(5-7a)(5+7a)(0.2x+0.7)(0.2x-0.7)
(a+3)(a-3)(x+5)(x-5)(x2+25)
(ab+4)(ab-4)(a+8)(a-8)(a2+64)
(-5m-5n)(-5m+5n)(an+b)(an-b)
(x+6y)(x-6y)(9mn-2n)(9mn+2n)
(y+2z)(y-2z)(-3x-5y)(-3x+5y)
(x+4)(x-4)(4x-2y)(4x+2y)
(-2x+6)(-2x-6)(3a-b)(3a+b)
(3-4a)(3+4a)(0.1x+0.7)(0.1x-0.7)
(5m-2n)(5m+2n)+7n2(-3k+2)(-3k-2)
(6x+3)(6x-3)(2x-5y)(2x+5y)
(6+6x)(6-6x)6x2-(y+6x)(y-6x)
(8-7a)(8+7a)(0.2x+0.9)(0.2x-0.9)
(a+7)(a-7)(x+8)(x-8)(x2+64)
(ab+5)(ab-5)(a+6)(a-6)(a2+36)
(-3m-2n)(-3m+2n)(an+2b)(an-2b)
(x+4y)(x-4y)(7mn-2n)(7mn+2n)
(y+8z)(y-8z)(-2x-5y)(-2x+5y)
(9x+9)(9x-9)(x-2y)(x+2y)
(-3x+10)(-3x-10)(a-b)(a+b)
(2-a)(2+a)(0.7x+0.8)(0.7x-0.8)
(m-4n)(m+4n)+2n2(-5k+7)(-5k-7)
(3x+4)(3x-4)(2x-y)(2x+y)
(7+2x)(7-2x)6x2-(y+6x)(y-6x)
(5-10a)(5+10a)(0.9x+0.6)(0.9x-0.6)
(a+8)(a-8)(x+7)(x-7)(x2+49)
(ab+2)(ab-2)(a+5)(a-5)(a2+25)
(-5m-3n)(-5m+3n)(an+6b)(an-6b)
(x+2y)(x-2y)(2mn-5n)(2mn+5n)
(y+6z)(y-6z)(-x-2y)(-x+2y)
(8x+4)(8x-4)(x-2y)(x+2y)
(-7x+10)(-7x-10)(8a-2b)(8a+2b)
(3-6a)(3+6a)(0.4x+1)(0.4x-1)
(7m-3n)(7m+3n)+4n2(-7k+2)(-7k-2)
(8x+2)(8x-2)(6x-4y)(6x+4y)
(7+7x)(7-7x)6x2+(y+4x)(y-4x)
(2-8a)(2+8a)(0.1x+0.8)(0.1x-0.8)
(a+3)(a-3)(x+4)(x-4)(x2+16)
(ab+4)(ab-4)(a+5)(a-5)(a2+25)
(-2m-3n)(-2m+3n)(an+7b)(an-7b)
(x+3y)(x-3y)(5mn-4n)(5mn+4n)
(y+6z)(y-6z)(-7x-4y)(-7x+4y)
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