初一数学下册平方差公式专项练习 25文档格式.docx

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初一数学下册平方差公式专项练习 25文档格式.docx

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初一数学下册平方差公式专项练习 25文档格式.docx

(7x+5)(7x-5)(3x-3y)(3x+3y)

(7+3x)(7-3x)7x2+(y+2x)(y-2x)

(4-9a)(4+9a)(0.6x+0.3)(0.6x-0.3)

(a+8)(a-8)(x+1)(x-1)(x2+1)

(ab+6)(ab-6)(a+4)(a-4)(a2+16)

(-6m-2n)(-6m+2n)(an+3b)(an-3b)

(x+6y)(x-6y)(2mn-n)(2mn+n)

(y+8z)(y-8z)(-6x-3y)(-6x+3y)

(6x+5)(6x-5)(x-8y)(x+8y)

(-5x+8)(-5x-8)(6a-2b)(6a+2b)

(1-10a)(1+10a)(0.9x+0.8)(0.9x-0.8)

(4m-2n)(4m+2n)+2n2(-5k+9)(-5k-9)

(6x+2)(6x-2)(3x-8y)(3x+8y)

(1+9x)(1-9x)6x2-(y+4x)(y-4x)

(7-4a)(7+4a)(0.3x+0.1)(0.3x-0.1)

(a+5)(a-5)(x+6)(x-6)(x2+36)

(ab+5)(ab-5)(a+6)(a-6)(a2+36)

(-9m-3n)(-9m+3n)(an+7b)(an-7b)

(x+7y)(x-7y)(5mn-n)(5mn+n)

(y+5z)(y-5z)(-x-2y)(-x+2y)

(9x+7)(9x-7)(x-y)(x+y)

(-3x+4)(-3x-4)(9a-2b)(9a+2b)

(7-6a)(7+6a)(0.6x+0.9)(0.6x-0.9)

(3m-4n)(3m+4n)-7n2(-2k+5)(-2k-5)

(9x+3)(9x-3)(9x-6y)(9x+6y)

(2+7x)(2-7x)8x2-(y+5x)(y-5x)

(10-2a)(10+2a)(0.1x+0.8)(0.1x-0.8)

(a+4)(a-4)(x+1)(x-1)(x2+1)

(ab+1)(ab-1)(a+2)(a-2)(a2+4)

(-6m-4n)(-6m+4n)(an+4b)(an-4b)

(x+7y)(x-7y)(3mn-2n)(3mn+2n)

(y+5z)(y-5z)(-x-5y)(-x+5y)

(5x+3)(5x-3)(7x-7y)(7x+7y)

(-2x+6)(-2x-6)(9a-4b)(9a+4b)

(3-9a)(3+9a)(0.6x+0.4)(0.6x-0.4)

(2m-5n)(2m+5n)-3n2(-9k+2)(-9k-2)

(6x+1)(6x-1)(5x-4y)(5x+4y)

(6+x)(6-x)3x2+(y+4x)(y-4x)

(3-6a)(3+6a)(0.8x+0.8)(0.8x-0.8)

(a+1)(a-1)(x+6)(x-6)(x2+36)

(ab+3)(ab-3)(a+9)(a-9)(a2+81)

(-3m-2n)(-3m+2n)(an+6b)(an-6b)

(x+6y)(x-6y)(mn-n)(mn+n)

(y+5z)(y-5z)(-3x-4y)(-3x+4y)

(2x+9)(2x-9)(4x-y)(4x+y)

(-x+3)(-x-3)(4a-4b)(4a+4b)

(4-5a)(4+5a)(0.7x+0.7)(0.7x-0.7)

(2m-3n)(2m+3n)+7n2(-9k+8)(-9k-8)

(8x+6)(8x-6)(2x-y)(2x+y)

(4+6x)(4-6x)9x2+(y+4x)(y-4x)

(8-a)(8+a)(0.3x+0.6)(0.3x-0.6)

(a+8)(a-8)(x+6)(x-6)(x2+36)

(ab+3)(ab-3)(a+5)(a-5)(a2+25)

(-8m-5n)(-8m+5n)(an+6b)(an-6b)

(x+4y)(x-4y)(7mn-4n)(7mn+4n)

(y+2z)(y-2z)(-6x-y)(-6x+y)

(3x+3)(3x-3)(7x-6y)(7x+6y)

(-5x+9)(-5x-9)(2a-4b)(2a+4b)

(8-5a)(8+5a)(0.5x+0.8)(0.5x-0.8)

(9m-3n)(9m+3n)-7n2(-2k+3)(-2k-3)

(7x+3)(7x-3)(x-8y)(x+8y)

(2+8x)(2-8x)7x2-(y+6x)(y-6x)

(10-10a)(10+10a)(0.7x+0.7)(0.7x-0.7)

(a+3)(a-3)(x+9)(x-9)(x2+81)

(ab+8)(ab-8)(a+5)(a-5)(a2+25)

(-2m-4n)(-2m+4n)(an+4b)(an-4b)

(x+4y)(x-4y)(9mn-4n)(9mn+4n)

(y+8z)(y-8z)(-x-3y)(-x+3y)

(6x+6)(6x-6)(2x-9y)(2x+9y)

(-2x+8)(-2x-8)(5a-3b)(5a+3b)

(3-4a)(3+4a)(0.1x+1)(0.1x-1)

(2m-4n)(2m+4n)-2n2(-7k+8)(-7k-8)

(3x+7)(3x-7)(6x-8y)(6x+8y)

(5+10x)(5-10x)5x2+(y+6x)(y-6x)

(2-4a)(2+4a)(0.5x+0.5)(0.5x-0.5)

(a+7)(a-7)(x+5)(x-5)(x2+25)

(ab+5)(ab-5)(a+9)(a-9)(a2+81)

(-3m-3n)(-3m+3n)(an+2b)(an-2b)

(x+7y)(x-7y)(5mn-5n)(5mn+5n)

(y+8z)(y-8z)(-8x-y)(-8x+y)

(5x+2)(5x-2)(2x-y)(2x+y)

(-x+4)(-x-4)(8a-5b)(8a+5b)

(1-10a)(1+10a)(0.6x+0.6)(0.6x-0.6)

(m-5n)(m+5n)-2n2(-4k+3)(-4k-3)

(3x+4)(3x-4)(6x-y)(6x+y)

(6+4x)(6-4x)5x2+(y+2x)(y-2x)

(7-8a)(7+8a)(0.9x+0.8)(0.9x-0.8)

(a+5)(a-5)(x+5)(x-5)(x2+25)

(ab+9)(ab-9)(a+3)(a-3)(a2+9)

(-3m-3n)(-3m+3n)(an+8b)(an-8b)

(x+2y)(x-2y)(5mn-4n)(5mn+4n)

(y+7z)(y-7z)(-3x-3y)(-3x+3y)

(6x+7)(6x-7)(8x-5y)(8x+5y)

(-5x+3)(-5x-3)(4a-b)(4a+b)

(5-5a)(5+5a)(0.8x+0.2)(0.8x-0.2)

(8m-3n)(8m+3n)+7n2(-3k+2)(-3k-2)

(6x+9)(6x-9)(2x-5y)(2x+5y)

(3+2x)(3-2x)2x2-(y+3x)(y-3x)

(5-3a)(5+3a)(0.1x+0.3)(0.1x-0.3)

(a+3)(a-3)(x+3)(x-3)(x2+9)

(ab+7)(ab-7)(a+1)(a-1)(a2+1)

(-m-n)(-m+n)(an+6b)(an-6b)

(x+8y)(x-8y)(6mn-3n)(6mn+3n)

(y+3z)(y-3z)(-2x-5y)(-2x+5y)

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