初一数学下册平方差公式专项练习 52文档格式.docx

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初一数学下册平方差公式专项练习 52文档格式.docx

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初一数学下册平方差公式专项练习 52文档格式.docx

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

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

(9x+3)(9x-3)(2x-y)(2x+y)

(-7x+2)(-7x-2)(6a-2b)(6a+2b)

(8-6a)(8+6a)(0.2x+0.8)(0.2x-0.8)

(m-5n)(m+5n)-8n2(-8k+3)(-8k-3)

(9x+6)(9x-6)(3x-5y)(3x+5y)

(6+9x)(6-9x)3x2+(y+5x)(y-5x)

(4-2a)(4+2a)(0.7x+0.6)(0.7x-0.6)

(a+1)(a-1)(x+5)(x-5)(x2+25)

(ab+10)(ab-10)(a+7)(a-7)(a2+49)

(-4m-5n)(-4m+5n)(an+9b)(an-9b)

(x+9y)(x-9y)(mn-2n)(mn+2n)

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

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

(-8x+9)(-8x-9)(6a-b)(6a+b)

(9-a)(9+a)(0.3x+0.1)(0.3x-0.1)

(6m-3n)(6m+3n)+6n2(-2k+1)(-2k-1)

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

(9+3x)(9-3x)7x2+(y+3x)(y-3x)

(9-2a)(9+2a)(0.5x+0.8)(0.5x-0.8)

(a+2)(a-2)(x+9)(x-9)(x2+81)

(ab+8)(ab-8)(a+1)(a-1)(a2+1)

(-9m-4n)(-9m+4n)(an+b)(an-b)

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

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

(9x+10)(9x-10)(9x-y)(9x+y)

(-5x+7)(-5x-7)(a-4b)(a+4b)

(7-2a)(7+2a)(0.6x+0.6)(0.6x-0.6)

(9m-n)(9m+n)+5n2(-8k+1)(-8k-1)

(x+9)(x-9)(5x-8y)(5x+8y)

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

(2-5a)(2+5a)(0.6x+0.4)(0.6x-0.4)

(a+1)(a-1)(x+3)(x-3)(x2+9)

(ab+1)(ab-1)(a+4)(a-4)(a2+16)

(-2m-5n)(-2m+5n)(an+6b)(an-6b)

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

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

(5x+4)(5x-4)(3x-9y)(3x+9y)

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

(2-2a)(2+2a)(0.8x+0.4)(0.8x-0.4)

(7m-n)(7m+n)-4n2(-9k+6)(-9k-6)

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

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

(7-9a)(7+9a)(0.3x+0.5)(0.3x-0.5)

(a+3)(a-3)(x+2)(x-2)(x2+4)

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

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

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

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

(-3x+10)(-3x-10)(7a-3b)(7a+3b)

(9-7a)(9+7a)(0.2x+0.2)(0.2x-0.2)

(4m-4n)(4m+4n)-3n2(-k+8)(-k-8)

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

(9+10x)(9-10x)3x2+(y+5x)(y-5x)

(3-6a)(3+6a)(0.3x+0.6)(0.3x-0.6)

(a+4)(a-4)(x+8)(x-8)(x2+64)

(ab+1)(ab-1)(a+6)(a-6)(a2+36)

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

(x+3y)(x-3y)(8mn-5n)(8mn+5n)

(y+8z)(y-8z)(-4x-y)(-4x+y)

(2x+10)(2x-10)(9x-y)(9x+y)

(-2x+1)(-2x-1)(5a-4b)(5a+4b)

(2-a)(2+a)(0.3x+0.5)(0.3x-0.5)

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

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

(6+7x)(6-7x)2x2+(y+4x)(y-4x)

(9-10a)(9+10a)(0.4x+0.1)(0.4x-0.1)

(a+6)(a-6)(x+9)(x-9)(x2+81)

(-4m-3n)(-4m+3n)(an+b)(an-b)

(x+7y)(x-7y)(2mn-5n)(2mn+5n)

(y+3z)(y-3z)(-8x-5y)(-8x+5y)

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

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

(8-5a)(8+5a)(0.2x+0.8)(0.2x-0.8)

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

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

(5+8x)(5-8x)3x2+(y+4x)(y-4x)

(3-2a)(3+2a)(0.1x+0.2)(0.1x-0.2)

(a+10)(a-10)(x+7)(x-7)(x2+49)

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

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

(x+8y)(x-8y)(4mn-3n)(4mn+3n)

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

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

(-9x+8)(-9x-8)(7a-b)(7a+b)

(7-6a)(7+6a)(0.6x+1)(0.6x-1)

(9m-5n)(9m+5n)-6n2(-k+7)(-k-7)

(8x+10)(8x-10)(7x-3y)(7x+3y)

(3+7x)(3-7x)4x2+(y+6x)(y-6x)

(1-10a)(1+10a)(0.5x+0.5)(0.5x-0.5)

(a+6)(a-6)(x+5)(x-5)(x2+25)

(ab+6)(ab-6)(a+9)(a-9)(a2+81)

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

(x+9y)(x-9y)(6mn-n)(6mn+n)

(y+2z)(y-2z)(-4x-5y)(-4x+5y)

(2x+4)(2x-4)(4x-8y)(4x+8y)

(-3x+4)(-3x-4)(8a-b)(8a+b)

(1-3a)(1+3a)(0.6x+0.8)(0.6x-0.8)

(5m-n)(5m+n)-8n2(-2k+5)(-2k-5)

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

(8+6x)(8-6x)5x2+(y+5x)(y-5x)

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