初一数学下册平方差公式专项练习 67Word下载.docx
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初一数学下册平方差公式专项练习 67Word下载.docx
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(4x+6)(4x-6)(8x-8y)(8x+8y)
(4+5x)(4-5x)7x2-(y+3x)(y-3x)
(10-2a)(10+2a)(0.1x+0.9)(0.1x-0.9)
(a+1)(a-1)(x+3)(x-3)(x2+9)
(ab+1)(ab-1)(a+7)(a-7)(a2+49)
(-8m-2n)(-8m+2n)(an+8b)(an-8b)
(x+6y)(x-6y)(6mn-3n)(6mn+3n)
(y+8z)(y-8z)(-9x-3y)(-9x+3y)
(8x+1)(8x-1)(x-6y)(x+6y)
(-9x+4)(-9x-4)(8a-3b)(8a+3b)
(6-7a)(6+7a)(0.9x+0.1)(0.9x-0.1)
(9m-n)(9m+n)+6n2(-6k+1)(-6k-1)
(5x+1)(5x-1)(7x-4y)(7x+4y)
(7+2x)(7-2x)5x2-(y+3x)(y-3x)
(4-7a)(4+7a)(0.6x+0.7)(0.6x-0.7)
(a+4)(a-4)(x+2)(x-2)(x2+4)
(ab+10)(ab-10)(a+1)(a-1)(a2+1)
(-6m-4n)(-6m+4n)(an+8b)(an-8b)
(x+7y)(x-7y)(6mn-n)(6mn+n)
(y+8z)(y-8z)(-3x-4y)(-3x+4y)
(7x+7)(7x-7)(3x-4y)(3x+4y)
(-3x+7)(-3x-7)(5a-2b)(5a+2b)
(2-a)(2+a)(0.1x+0.8)(0.1x-0.8)
(4m-4n)(4m+4n)+2n2(-8k+10)(-8k-10)
(6x+4)(6x-4)(4x-8y)(4x+8y)
(5+x)(5-x)4x2-(y+6x)(y-6x)
(2-4a)(2+4a)(0.3x+0.8)(0.3x-0.8)
(a+8)(a-8)(x+4)(x-4)(x2+16)
(ab+4)(ab-4)(a+6)(a-6)(a2+36)
(-m-n)(-m+n)(an+8b)(an-8b)
(x+5y)(x-5y)(mn-4n)(mn+4n)
(y+3z)(y-3z)(-5x-y)(-5x+y)
(9x+1)(9x-1)(7x-6y)(7x+6y)
(-5x+6)(-5x-6)(3a-2b)(3a+2b)
(3-2a)(3+2a)(0.8x+0.1)(0.8x-0.1)
(7m-3n)(7m+3n)+9n2(-8k+9)(-8k-9)
(8x+3)(8x-3)(4x-6y)(4x+6y)
(7+2x)(7-2x)2x2+(y+3x)(y-3x)
(2-2a)(2+2a)(0.1x+0.8)(0.1x-0.8)
(a+3)(a-3)(x+4)(x-4)(x2+16)
(ab+4)(ab-4)(a+7)(a-7)(a2+49)
(-9m-2n)(-9m+2n)(an+b)(an-b)
(x+6y)(x-6y)(9mn-n)(9mn+n)
(y+5z)(y-5z)(-8x-2y)(-8x+2y)
(7x+2)(7x-2)(4x-8y)(4x+8y)
(-2x+9)(-2x-9)(3a-b)(3a+b)
(9-9a)(9+9a)(0.3x+0.7)(0.3x-0.7)
(m-5n)(m+5n)-5n2(-7k+8)(-7k-8)
(2x+1)(2x-1)(5x-6y)(5x+6y)
(2+8x)(2-8x)6x2+(y+3x)(y-3x)
(1-3a)(1+3a)(0.1x+0.4)(0.1x-0.4)
(a+1)(a-1)(x+7)(x-7)(x2+49)
(ab+9)(ab-9)(a+5)(a-5)(a2+25)
(-m-2n)(-m+2n)(an+2b)(an-2b)
(x+4y)(x-4y)(5mn-5n)(5mn+5n)
(y+2z)(y-2z)(-9x-2y)(-9x+2y)
(3x+8)(3x-8)(5x-3y)(5x+3y)
(-3x+3)(-3x-3)(9a-4b)(9a+4b)
(6-8a)(6+8a)(0.1x+0.5)(0.1x-0.5)
(5m-3n)(5m+3n)-8n2(-2k+1)(-2k-1)
(9x+5)(9x-5)(8x-7y)(8x+7y)
(4+3x)(4-3x)6x2-(y+2x)(y-2x)
(2-3a)(2+3a)(0.6x+0.1)(0.6x-0.1)
(a+1)(a-1)(x+2)(x-2)(x2+4)
(ab+8)(ab-8)(a+4)(a-4)(a2+16)
(-4m-5n)(-4m+5n)(an+3b)(an-3b)
(x+5y)(x-5y)(9mn-4n)(9mn+4n)
(y+9z)(y-9z)(-3x-3y)(-3x+3y)
(8x+5)(8x-5)(2x-5y)(2x+5y)
(-5x+4)(-5x-4)(7a-5b)(7a+5b)
(5-9a)(5+9a)(0.9x+0.4)(0.9x-0.4)
(4m-5n)(4m+5n)-2n2(-7k+2)(-7k-2)
(3x+6)(3x-6)(3x-8y)(3x+8y)
(10+3x)(10-3x)3x2+(y+6x)(y-6x)
(8-9a)(8+9a)(0.1x+0.1)(0.1x-0.1)
(a+1)(a-1)(x+8)(x-8)(x2+64)
(ab+7)(ab-7)(a+9)(a-9)(a2+81)
(-9m-4n)(-9m+4n)(an+6b)(an-6b)
(x+5y)(x-5y)(5mn-3n)(5mn+3n)
(y+6z)(y-6z)(-7x-2y)(-7x+2y)
(7x+6)(7x-6)(7x-y)(7x+y)
(-2x+3)(-2x-3)(a-b)(a+b)
(7-2a)(7+2a)(0.2x+1)(0.2x-1)
(3m-4n)(3m+4n)-2n2(-6k+1)(-6k-1)
(5x+4)(5x-4)(3x-9y)(3x+9y)
(2+10x)(2-10x)9x2-(y+6x)(y-6x)
(10-6a)(10+6a)(0.1x+0.2)(0.1x-0.2)
(a+9)(a-9)(x+4)(x-4)(x2+16)
(ab+3)(ab-3)(a+2)(a-2)(a2+4)
(-8m-5n)(-8m+5n)(an+6b)(an-6b)
(x+8y)(x-8y)(4mn-3n)(4mn+3n)
(y+2z)(y-2z)(-5x-3y)(-5x+3y)
(8x+9)(8x-9)(x-3y)(x+3y)
(-6x+3)(-6x-3)(4a-5b)(4a+5b)
(5-3a)(5+3a)(0.7x+0.7)(0.7x-0.7)
(9m-4n)(9m+4n)-7n2(-3k+10)(-3k-10)
(4x+5)(4x-5)(5x-4y)(5x+4y)
(1+10x)(1-10x)6x2+(y+4x)(y-4x)
(2-7a)(2+7a)(0.3x+0.3)(0.3x-0.3)
(a+6)(a-6)(x+7)(x-7)(x2+49)
(ab+2)(ab-2)(a+7)(a-7)(a2+49)
(-7m-3n)(-7m+3n)(an+7b)(an-7b)
(x+9y)(x-9y)(2mn-2n)(2mn+2n)
(y+6z)(y-6z)(-9x-2y)(-9x+2y)
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