初一数学下册平方差公式专项练习 47Word格式文档下载.docx
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(6x+9)(6x-9)(2x-7y)(2x+7y)
(4+10x)(4-10x)2x2+(y+6x)(y-6x)
(5-9a)(5+9a)(0.7x+0.3)(0.7x-0.3)
(a+1)(a-1)(x+3)(x-3)(x2+9)
(ab+10)(ab-10)(a+1)(a-1)(a2+1)
(-5m-n)(-5m+n)(an+b)(an-b)
(x+6y)(x-6y)(4mn-4n)(4mn+4n)
(y+3z)(y-3z)(-7x-5y)(-7x+5y)
(4x+1)(4x-1)(2x-5y)(2x+5y)
(-9x+4)(-9x-4)(4a-3b)(4a+3b)
(3-9a)(3+9a)(0.6x+0.2)(0.6x-0.2)
(7m-n)(7m+n)+2n2(-6k+5)(-6k-5)
(8x+8)(8x-8)(x-8y)(x+8y)
(8+2x)(8-2x)5x2+(y+2x)(y-2x)
(7-6a)(7+6a)(0.4x+0.9)(0.4x-0.9)
(a+7)(a-7)(x+2)(x-2)(x2+4)
(ab+4)(ab-4)(a+3)(a-3)(a2+9)
(-5m-2n)(-5m+2n)(an+4b)(an-4b)
(x+5y)(x-5y)(3mn-n)(3mn+n)
(y+5z)(y-5z)(-8x-3y)(-8x+3y)
(9x+5)(9x-5)(8x-6y)(8x+6y)
(-x+10)(-x-10)(6a-4b)(6a+4b)
(2-4a)(2+4a)(0.6x+0.8)(0.6x-0.8)
(5m-3n)(5m+3n)+8n2(-k+1)(-k-1)
(9x+10)(9x-10)(8x-3y)(8x+3y)
(10+10x)(10-10x)2x2-(y+3x)(y-3x)
(10-6a)(10+6a)(0.7x+0.5)(0.7x-0.5)
(a+6)(a-6)(x+2)(x-2)(x2+4)
(ab+1)(ab-1)(a+9)(a-9)(a2+81)
(-3m-2n)(-3m+2n)(an+4b)(an-4b)
(x+7y)(x-7y)(2mn-n)(2mn+n)
(y+8z)(y-8z)(-4x-4y)(-4x+4y)
(4x+9)(4x-9)(9x-2y)(9x+2y)
(-7x+2)(-7x-2)(5a-5b)(5a+5b)
(2-a)(2+a)(0.1x+0.9)(0.1x-0.9)
(6m-5n)(6m+5n)-8n2(-2k+5)(-2k-5)
(x+2)(x-2)(7x-5y)(7x+5y)
(4+5x)(4-5x)9x2-(y+4x)(y-4x)
(6-7a)(6+7a)(0.9x+0.9)(0.9x-0.9)
(a+2)(a-2)(x+2)(x-2)(x2+4)
(ab+2)(ab-2)(a+5)(a-5)(a2+25)
(-3m-2n)(-3m+2n)(an+9b)(an-9b)
(x+4y)(x-4y)(6mn-5n)(6mn+5n)
(y+5z)(y-5z)(-4x-4y)(-4x+4y)
(7x+1)(7x-1)(2x-6y)(2x+6y)
(-6x+5)(-6x-5)(6a-3b)(6a+3b)
(5-a)(5+a)(0.7x+1)(0.7x-1)
(7m-n)(7m+n)+3n2(-4k+6)(-4k-6)
(2x+6)(2x-6)(8x-2y)(8x+2y)
(4+3x)(4-3x)5x2-(y+3x)(y-3x)
(2-7a)(2+7a)(0.6x+0.8)(0.6x-0.8)
(a+3)(a-3)(x+2)(x-2)(x2+4)
(ab+1)(ab-1)(a+6)(a-6)(a2+36)
(-6m-n)(-6m+n)(an+8b)(an-8b)
(x+7y)(x-7y)(8mn-5n)(8mn+5n)
(y+8z)(y-8z)(-7x-2y)(-7x+2y)
(7x+6)(7x-6)(x-8y)(x+8y)
(-6x+6)(-6x-6)(7a-4b)(7a+4b)
(9-7a)(9+7a)(0.5x+0.8)(0.5x-0.8)
(4m-5n)(4m+5n)+8n2(-9k+5)(-9k-5)
(9x+3)(9x-3)(2x-2y)(2x+2y)
(8+3x)(8-3x)3x2-(y+3x)(y-3x)
(6-5a)(6+5a)(0.1x+0.5)(0.1x-0.5)
(a+4)(a-4)(x+8)(x-8)(x2+64)
(ab+10)(ab-10)(a+9)(a-9)(a2+81)
(-5m-5n)(-5m+5n)(an+8b)(an-8b)
(x+9y)(x-9y)(4mn-5n)(4mn+5n)
(y+9z)(y-9z)(-6x-3y)(-6x+3y)
(9x+9)(9x-9)(2x-6y)(2x+6y)
(-x+1)(-x-1)(7a-3b)(7a+3b)
(3-5a)(3+5a)(0.1x+0.6)(0.1x-0.6)
(9m-2n)(9m+2n)+9n2(-7k+5)(-7k-5)
(4x+4)(4x-4)(4x-y)(4x+y)
(2+3x)(2-3x)5x2+(y+4x)(y-4x)
(7-5a)(7+5a)(0.1x+0.3)(0.1x-0.3)
(a+9)(a-9)(x+1)(x-1)(x2+1)
(ab+2)(ab-2)(a+8)(a-8)(a2+64)
(-2m-5n)(-2m+5n)(an+4b)(an-4b)
(x+4y)(x-4y)(8mn-n)(8mn+n)
(y+2z)(y-2z)(-4x-3y)(-4x+3y)
(6x+3)(6x-3)(3x-9y)(3x+9y)
(-3x+2)(-3x-2)(9a-2b)(9a+2b)
(2-2a)(2+2a)(0.7x+0.7)(0.7x-0.7)
(7m-5n)(7m+5n)+8n2(-7k+8)(-7k-8)
(7x+3)(7x-3)(6x-4y)(6x+4y)
(2+6x)(2-6x)9x2+(y+5x)(y-5x)
(2-7a)(2+7a)(0.2x+0.7)(0.2x-0.7)
(a+5)(a-5)(x+9)(x-9)(x2+81)
(ab+6)(ab-6)(a+8)(a-8)(a2+64)
(-5m-n)(-5m+n)(an+2b)(an-2b)
(x+9y)(x-9y)(7mn-n)(7mn+n)
(y+7z)(y-7z)(-2x-3y)(-2x+3y)
(6x+9)(6x-9)(6x-2y)(6x+2y)
(-3x+2)(-3x-2)(4a-3b)(4a+3b)
(6-7a)(6+7a)(0.5x+0.6)(0.5x-0.6)
(2m-4n)(2m+4n)-4n2(-7k+3)(-7k-3)
(2x+9)(2x-9)(4x-4y)(4x+4y)
(9+9x)(9-9x)4x2+(y+6x)(y-6x)
(9-4a)(9+4a)(0.1x+0.6)(0.1x-0.6)
(a+4)(a-4)(x+1)(x-1)(x2+1)
(ab+8)(ab-8)(a+6)(a-6)(a2+36)
(-9m-5n)(-9m+5n)(an+8b)(an-8b)
(x+6y)(x-6y)(2mn-n)(2mn+n)
(y+8z)(y-8z)(-2x-y)(-2x+y)