初一数学下册平方差公式专项练习 71Word文档格式.docx
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初一数学下册平方差公式专项练习 71Word文档格式.docx
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(5x+9)(5x-9)(3x-9y)(3x+9y)
(10+3x)(10-3x)8x2-(y+3x)(y-3x)
(10-2a)(10+2a)(0.4x+0.3)(0.4x-0.3)
(-5m-5n)(-5m+5n)(an+2b)(an-2b)
(x+8y)(x-8y)(8mn-5n)(8mn+5n)
(y+5z)(y-5z)(-5x-3y)(-5x+3y)
(3x+6)(3x-6)(7x-8y)(7x+8y)
(-5x+9)(-5x-9)(2a-5b)(2a+5b)
(8-6a)(8+6a)(0.6x+0.4)(0.6x-0.4)
(m-5n)(m+5n)+2n2(-2k+3)(-2k-3)
(x+9)(x-9)(3x-3y)(3x+3y)
(1+2x)(1-2x)4x2+(y+2x)(y-2x)
(10-6a)(10+6a)(0.6x+0.6)(0.6x-0.6)
(a+9)(a-9)(x+2)(x-2)(x2+4)
(ab+8)(ab-8)(a+5)(a-5)(a2+25)
(-3m-2n)(-3m+2n)(an+4b)(an-4b)
(x+8y)(x-8y)(mn-n)(mn+n)
(y+2z)(y-2z)(-3x-5y)(-3x+5y)
(3x+1)(3x-1)(2x-2y)(2x+2y)
(-7x+8)(-7x-8)(9a-4b)(9a+4b)
(9-6a)(9+6a)(0.7x+0.1)(0.7x-0.1)
(7m-5n)(7m+5n)-7n2(-5k+10)(-5k-10)
(2x+5)(2x-5)(2x-2y)(2x+2y)
(6+2x)(6-2x)2x2+(y+2x)(y-2x)
(3-4a)(3+4a)(0.8x+1)(0.8x-1)
(a+9)(a-9)(x+6)(x-6)(x2+36)
(ab+10)(ab-10)(a+8)(a-8)(a2+64)
(-m-n)(-m+n)(an+9b)(an-9b)
(x+4y)(x-4y)(mn-3n)(mn+3n)
(y+7z)(y-7z)(-5x-y)(-5x+y)
(7x+6)(7x-6)(x-8y)(x+8y)
(-9x+9)(-9x-9)(7a-4b)(7a+4b)
(3-7a)(3+7a)(0.8x+0.7)(0.8x-0.7)
(5m-5n)(5m+5n)-6n2(-9k+3)(-9k-3)
(8x+3)(8x-3)(9x-4y)(9x+4y)
(1+3x)(1-3x)9x2+(y+2x)(y-2x)
(9-2a)(9+2a)(0.4x+0.5)(0.4x-0.5)
(a+3)(a-3)(x+3)(x-3)(x2+9)
(ab+2)(ab-2)(a+4)(a-4)(a2+16)
(-3m-5n)(-3m+5n)(an+b)(an-b)
(x+6y)(x-6y)(8mn-4n)(8mn+4n)
(y+5z)(y-5z)(-7x-3y)(-7x+3y)
(9x+3)(9x-3)(9x-3y)(9x+3y)
(-6x+10)(-6x-10)(5a-3b)(5a+3b)
(4-6a)(4+6a)(0.3x+0.3)(0.3x-0.3)
(8m-4n)(8m+4n)+7n2(-k+5)(-k-5)
(7x+10)(7x-10)(8x-9y)(8x+9y)
(7+4x)(7-4x)3x2-(y+2x)(y-2x)
(5-8a)(5+8a)(0.2x+1)(0.2x-1)
(a+1)(a-1)(x+7)(x-7)(x2+49)
(ab+8)(ab-8)(a+1)(a-1)(a2+1)
(-7m-n)(-7m+n)(an+9b)(an-9b)
(x+4y)(x-4y)(9mn-5n)(9mn+5n)
(y+5z)(y-5z)(-7x-4y)(-7x+4y)
(4x+7)(4x-7)(6x-6y)(6x+6y)
(-7x+4)(-7x-4)(5a-4b)(5a+4b)
(1-a)(1+a)(0.6x+0.8)(0.6x-0.8)
(9m-4n)(9m+4n)-3n2(-3k+10)(-3k-10)
(x+5)(x-5)(8x-8y)(8x+8y)
(4+6x)(4-6x)3x2-(y+2x)(y-2x)
(1-4a)(1+4a)(0.1x+1)(0.1x-1)
(a+9)(a-9)(x+8)(x-8)(x2+64)
(ab+5)(ab-5)(a+7)(a-7)(a2+49)
(-8m-5n)(-8m+5n)(an+6b)(an-6b)
(x+8y)(x-8y)(7mn-2n)(7mn+2n)
(y+8z)(y-8z)(-9x-3y)(-9x+3y)
(3x+4)(3x-4)(9x-8y)(9x+8y)
(-9x+8)(-9x-8)(6a-5b)(6a+5b)
(6-5a)(6+5a)(0.6x+0.3)(0.6x-0.3)
(m-3n)(m+3n)+6n2(-8k+1)(-8k-1)
(9x+7)(9x-7)(5x-3y)(5x+3y)
(9+10x)(9-10x)8x2+(y+5x)(y-5x)
(1-10a)(1+10a)(0.7x+0.1)(0.7x-0.1)
(a+9)(a-9)(x+3)(x-3)(x2+9)
(ab+10)(ab-10)(a+5)(a-5)(a2+25)
(-m-5n)(-m+5n)(an+8b)(an-8b)
(x+5y)(x-5y)(9mn-n)(9mn+n)
(y+6z)(y-6z)(-5x-4y)(-5x+4y)
(3x+8)(3x-8)(4x-7y)(4x+7y)
(-8x+1)(-8x-1)(8a-2b)(8a+2b)
(7-5a)(7+5a)(0.9x+0.8)(0.9x-0.8)
(6m-n)(6m+n)-3n2(-6k+9)(-6k-9)
(2x+9)(2x-9)(8x-7y)(8x+7y)
(7+5x)(7-5x)9x2-(y+4x)(y-4x)
(8-9a)(8+9a)(0.6x+0.5)(0.6x-0.5)
(a+8)(a-8)(x+6)(x-6)(x2+36)
(ab+9)(ab-9)(a+3)(a-3)(a2+9)
(-4m-4n)(-4m+4n)(an+6b)(an-6b)
(x+8y)(x-8y)(6mn-2n)(6mn+2n)
(y+9z)(y-9z)(-4x-5y)(-4x+5y)
(2x+6)(2x-6)(x-3y)(x+3y)
(-6x+5)(-6x-5)(5a-4b)(5a+4b)
(9-5a)(9+5a)(0.8x+0.6)(0.8x-0.6)
(2m-3n)(2m+3n)+5n2(-2k+3)(-2k-3)
(x+5)(x-5)(4x-4y)(4x+4y)
(4+7x)(4-7x)2x2+(y+4x)(y-4x)
(7-a)(7+a)(0.4x+0.7)(0.4x-0.7)
(a+9)(a-9)(x+1)(x-1)(x2+1)
(ab+7)(ab-7)(a+1)(a-1)(a2+1)
(-m-4n)(-m+4n)(an+8b)(an-8b)
(x+9y)(x-9y)(mn-n)(mn+n)
(y+7z)(y-7z)(-7x-3y)(-7x+3y)
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