初一数学下册平方差公式专项练习 73Word文档格式.docx
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初一数学下册平方差公式专项练习 73Word文档格式.docx
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(3x+6)(3x-6)(6x-8y)(6x+8y)
(1+2x)(1-2x)8x2+(y+2x)(y-2x)
(2-7a)(2+7a)(0.4x+0.2)(0.4x-0.2)
(a+7)(a-7)(x+3)(x-3)(x2+9)
(ab+8)(ab-8)(a+3)(a-3)(a2+9)
(-8m-2n)(-8m+2n)(an+7b)(an-7b)
(x+7y)(x-7y)(2mn-3n)(2mn+3n)
(y+7z)(y-7z)(-8x-2y)(-8x+2y)
(x+3)(x-3)(3x-3y)(3x+3y)
(-3x+1)(-3x-1)(8a-5b)(8a+5b)
(7-3a)(7+3a)(0.6x+0.6)(0.6x-0.6)
(2m-4n)(2m+4n)-2n2(-4k+1)(-4k-1)
(3x+6)(3x-6)(x-9y)(x+9y)
(1+8x)(1-8x)8x2-(y+2x)(y-2x)
(7-10a)(7+10a)(0.7x+0.9)(0.7x-0.9)
(a+2)(a-2)(x+8)(x-8)(x2+64)
(ab+2)(ab-2)(a+1)(a-1)(a2+1)
(-5m-3n)(-5m+3n)(an+2b)(an-2b)
(x+7y)(x-7y)(3mn-3n)(3mn+3n)
(y+3z)(y-3z)(-x-5y)(-x+5y)
(x+6)(x-6)(5x-7y)(5x+7y)
(-9x+4)(-9x-4)(7a-4b)(7a+4b)
(2-5a)(2+5a)(0.5x+0.1)(0.5x-0.1)
(9m-n)(9m+n)+8n2(-6k+4)(-6k-4)
(9x+6)(9x-6)(5x-2y)(5x+2y)
(8+9x)(8-9x)9x2-(y+4x)(y-4x)
(2-a)(2+a)(0.2x+0.5)(0.2x-0.5)
(a+6)(a-6)(x+9)(x-9)(x2+81)
(ab+3)(ab-3)(a+2)(a-2)(a2+4)
(-3m-2n)(-3m+2n)(an+7b)(an-7b)
(x+8y)(x-8y)(3mn-n)(3mn+n)
(y+7z)(y-7z)(-x-2y)(-x+2y)
(9x+8)(9x-8)(3x-8y)(3x+8y)
(-3x+8)(-3x-8)(7a-5b)(7a+5b)
(3-2a)(3+2a)(0.9x+0.4)(0.9x-0.4)
(2m-4n)(2m+4n)-4n2(-4k+6)(-4k-6)
(9x+10)(9x-10)(4x-4y)(4x+4y)
(3+8x)(3-8x)3x2-(y+5x)(y-5x)
(5-a)(5+a)(0.3x+0.1)(0.3x-0.1)
(a+2)(a-2)(x+5)(x-5)(x2+25)
(ab+7)(ab-7)(a+9)(a-9)(a2+81)
(-m-3n)(-m+3n)(an+8b)(an-8b)
(x+2y)(x-2y)(5mn-4n)(5mn+4n)
(y+6z)(y-6z)(-2x-5y)(-2x+5y)
(8x+8)(8x-8)(2x-2y)(2x+2y)
(-8x+9)(-8x-9)(7a-b)(7a+b)
(2-9a)(2+9a)(0.3x+0.6)(0.3x-0.6)
(4m-3n)(4m+3n)+2n2(-2k+3)(-2k-3)
(7x+5)(7x-5)(4x-y)(4x+y)
(10+3x)(10-3x)4x2+(y+3x)(y-3x)
(8-2a)(8+2a)(0.6x+1)(0.6x-1)
(a+4)(a-4)(x+3)(x-3)(x2+9)
(ab+4)(ab-4)(a+7)(a-7)(a2+49)
(-6m-4n)(-6m+4n)(an+5b)(an-5b)
(x+2y)(x-2y)(mn-n)(mn+n)
(y+7z)(y-7z)(-8x-y)(-8x+y)
(5x+4)(5x-4)(7x-4y)(7x+4y)
(-5x+5)(-5x-5)(7a-4b)(7a+4b)
(6-8a)(6+8a)(0.7x+1)(0.7x-1)
(7m-n)(7m+n)-2n2(-5k+5)(-5k-5)
(8x+7)(8x-7)(x-3y)(x+3y)
(7+x)(7-x)4x2-(y+6x)(y-6x)
(3-10a)(3+10a)(0.4x+0.8)(0.4x-0.8)
(a+6)(a-6)(x+4)(x-4)(x2+16)
(ab+1)(ab-1)(a+3)(a-3)(a2+9)
(-2m-4n)(-2m+4n)(an+3b)(an-3b)
(x+9y)(x-9y)(2mn-3n)(2mn+3n)
(y+6z)(y-6z)(-x-4y)(-x+4y)
(8x+8)(8x-8)(7x-8y)(7x+8y)
(-8x+7)(-8x-7)(5a-b)(5a+b)
(8-10a)(8+10a)(0.5x+0.9)(0.5x-0.9)
(9m-4n)(9m+4n)-6n2(-8k+6)(-8k-6)
(4x+6)(4x-6)(3x-9y)(3x+9y)
(10+3x)(10-3x)4x2+(y+2x)(y-2x)
(4-3a)(4+3a)(0.9x+1)(0.9x-1)
(a+8)(a-8)(x+4)(x-4)(x2+16)
(ab+6)(ab-6)(a+6)(a-6)(a2+36)
(-2m-2n)(-2m+2n)(an+9b)(an-9b)
(x+7y)(x-7y)(9mn-5n)(9mn+5n)
(y+3z)(y-3z)(-4x-y)(-4x+y)
(3x+9)(3x-9)(8x-8y)(8x+8y)
(-9x+6)(-9x-6)(5a-5b)(5a+5b)
(3-8a)(3+8a)(0.5x+0.3)(0.5x-0.3)
(7m-3n)(7m+3n)+3n2(-9k+1)(-9k-1)
(7x+5)(7x-5)(2x-y)(2x+y)
(3+3x)(3-3x)7x2+(y+5x)(y-5x)
(9-4a)(9+4a)(0.6x+1)(0.6x-1)
(a+3)(a-3)(x+4)(x-4)(x2+16)
(ab+8)(ab-8)(a+9)(a-9)(a2+81)
(-6m-3n)(-6m+3n)(an+5b)(an-5b)
(x+2y)(x-2y)(2mn-n)(2mn+n)
(y+7z)(y-7z)(-9x-3y)(-9x+3y)
(9x+6)(9x-6)(4x-7y)(4x+7y)
(-2x+1)(-2x-1)(9a-b)(9a+b)
(10-6a)(10+6a)(0.8x+1)(0.8x-1)
(7m-n)(7m+n)+9n2(-4k+6)(-4k-6)
(5x+4)(5x-4)(6x-6y)(6x+6y)
(1+x)(1-x)4x2+(y+4x)(y-4x)
(8-3a)(8+3a)(0.2x+0.5)(0.2x-0.5)
(a+3)(a-3)(x+5)(x-5)(x2+25)
(ab+9)(ab-9)(a+9)(a-9)(a2+81)
(-8m-2n)(-8m+2n)(an+2b)(an-2b)
(x+5y)(x-5y)(mn-5n)(mn+5n)
(y+6z)(y-6z)(-x-5y)(-x+5y)
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