初一数学下册平方差公式专项练习 80Word文档下载推荐.docx
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初一数学下册平方差公式专项练习 80Word文档下载推荐.docx
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(x+4y)(x-4y)(3mn-3n)(3mn+3n)
(y+4z)(y-4z)(-7x-4y)(-7x+4y)
(6x+1)(6x-1)(9x-7y)(9x+7y)
(-x+3)(-x-3)(5a-4b)(5a+4b)
(8-a)(8+a)(0.8x+0.6)(0.8x-0.6)
(6m-n)(6m+n)+2n2(-8k+9)(-8k-9)
(2x+9)(2x-9)(8x-8y)(8x+8y)
(4+9x)(4-9x)4x2-(y+6x)(y-6x)
(7-5a)(7+5a)(0.1x+0.2)(0.1x-0.2)
(a+5)(a-5)(x+3)(x-3)(x2+9)
(ab+3)(ab-3)(a+1)(a-1)(a2+1)
(-4m-3n)(-4m+3n)(an+2b)(an-2b)
(x+7y)(x-7y)(8mn-5n)(8mn+5n)
(y+3z)(y-3z)(-9x-2y)(-9x+2y)
(6x+6)(6x-6)(x-9y)(x+9y)
(-3x+4)(-3x-4)(8a-b)(8a+b)
(8-8a)(8+8a)(0.6x+0.3)(0.6x-0.3)
(7m-n)(7m+n)-5n2(-7k+7)(-7k-7)
(6x+2)(6x-2)(5x-7y)(5x+7y)
(8+4x)(8-4x)2x2+(y+4x)(y-4x)
(7-10a)(7+10a)(0.3x+0.2)(0.3x-0.2)
(a+9)(a-9)(x+2)(x-2)(x2+4)
(ab+7)(ab-7)(a+2)(a-2)(a2+4)
(-3m-4n)(-3m+4n)(an+6b)(an-6b)
(x+3y)(x-3y)(6mn-4n)(6mn+4n)
(y+5z)(y-5z)(-5x-4y)(-5x+4y)
(x+4)(x-4)(2x-4y)(2x+4y)
(-8x+5)(-8x-5)(4a-b)(4a+b)
(8-a)(8+a)(0.8x+0.9)(0.8x-0.9)
(3m-3n)(3m+3n)-3n2(-3k+2)(-3k-2)
(3x+10)(3x-10)(6x-3y)(6x+3y)
(3+x)(3-x)6x2+(y+6x)(y-6x)
(8-10a)(8+10a)(0.8x+0.3)(0.8x-0.3)
(a+7)(a-7)(x+3)(x-3)(x2+9)
(ab+8)(ab-8)(a+6)(a-6)(a2+36)
(-9m-2n)(-9m+2n)(an+7b)(an-7b)
(x+8y)(x-8y)(9mn-5n)(9mn+5n)
(y+9z)(y-9z)(-8x-y)(-8x+y)
(7x+6)(7x-6)(x-y)(x+y)
(-3x+7)(-3x-7)(6a-2b)(6a+2b)
(9-10a)(9+10a)(0.2x+0.2)(0.2x-0.2)
(5m-4n)(5m+4n)+3n2(-7k+10)(-7k-10)
(4x+1)(4x-1)(9x-9y)(9x+9y)
(10+8x)(10-8x)4x2+(y+2x)(y-2x)
(7-3a)(7+3a)(0.7x+0.1)(0.7x-0.1)
(a+8)(a-8)(x+8)(x-8)(x2+64)
(ab+7)(ab-7)(a+3)(a-3)(a2+9)
(-5m-3n)(-5m+3n)(an+7b)(an-7b)
(x+5y)(x-5y)(3mn-2n)(3mn+2n)
(y+2z)(y-2z)(-8x-y)(-8x+y)
(7x+10)(7x-10)(6x-7y)(6x+7y)
(-3x+7)(-3x-7)(9a-3b)(9a+3b)
(7-5a)(7+5a)(0.5x+0.1)(0.5x-0.1)
(4m-5n)(4m+5n)+2n2(-7k+2)(-7k-2)
(2x+5)(2x-5)(2x-y)(2x+y)
(6+x)(6-x)3x2-(y+5x)(y-5x)
(5-2a)(5+2a)(0.4x+0.2)(0.4x-0.2)
(a+1)(a-1)(x+8)(x-8)(x2+64)
(ab+10)(ab-10)(a+4)(a-4)(a2+16)
(-9m-3n)(-9m+3n)(an+3b)(an-3b)
(x+6y)(x-6y)(6mn-2n)(6mn+2n)
(y+4z)(y-4z)(-7x-5y)(-7x+5y)
(9x+1)(9x-1)(4x-4y)(4x+4y)
(-4x+3)(-4x-3)(a-4b)(a+4b)
(5-a)(5+a)(0.4x+0.2)(0.4x-0.2)
(6m-n)(6m+n)+2n2(-7k+7)(-7k-7)
(6x+7)(6x-7)(6x-8y)(6x+8y)
(9+4x)(9-4x)8x2-(y+4x)(y-4x)
(6-5a)(6+5a)(0.6x+0.2)(0.6x-0.2)
(a+1)(a-1)(x+5)(x-5)(x2+25)
(ab+6)(ab-6)(a+4)(a-4)(a2+16)
(-8m-4n)(-8m+4n)(an+4b)(an-4b)
(x+8y)(x-8y)(8mn-n)(8mn+n)
(y+8z)(y-8z)(-9x-y)(-9x+y)
(7x+3)(7x-3)(6x-5y)(6x+5y)
(-7x+7)(-7x-7)(7a-b)(7a+b)
(3-2a)(3+2a)(0.5x+0.6)(0.5x-0.6)
(9m-2n)(9m+2n)+3n2(-5k+5)(-5k-5)
(6x+8)(6x-8)(9x-8y)(9x+8y)
(8+7x)(8-7x)5x2+(y+6x)(y-6x)
(8-2a)(8+2a)(0.7x+0.5)(0.7x-0.5)
(a+7)(a-7)(x+6)(x-6)(x2+36)
(ab+3)(ab-3)(a+8)(a-8)(a2+64)
(-5m-5n)(-5m+5n)(an+b)(an-b)
(x+2y)(x-2y)(7mn-3n)(7mn+3n)
(y+6z)(y-6z)(-x-3y)(-x+3y)
(x+10)(x-10)(5x-y)(5x+y)
(-x+3)(-x-3)(5a-5b)(5a+5b)
(2-3a)(2+3a)(0.5x+0.3)(0.5x-0.3)
(8m-4n)(8m+4n)-7n2(-2k+2)(-2k-2)
(9x+8)(9x-8)(6x-2y)(6x+2y)
(10+7x)(10-7x)3x2+(y+4x)(y-4x)
(4-a)(4+a)(0.7x+0.8)(0.7x-0.8)
(a+4)(a-4)(x+1)(x-1)(x2+1)
(ab+8)(ab-8)(a+5)(a-5)(a2+25)
(-6m-3n)(-6m+3n)(an+9b)(an-9b)
(x+8y)(x-8y)(mn-n)(mn+n)
(y+4z)(y-4z)(-8x-5y)(-8x+5y)
(5x+6)(5x-6)(8x-7y)(8x+7y)
(-4x+9)(-4x-9)(4a-3b)(4a+3b)
(7-8a)(7+8a)(0.6x+0.3)(0.6x-0.3)
(7m-2n)(7m+2n)+4n2(-7k+7)(-7k-7)
(2x+7)(2x-7)(2x-2y)(2x+2y)
(9+10x)(9-10x)2x2+(y+4x)(y-4x)
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