初一数学下册平方差公式专项练习 60.docx
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初一数学下册平方差公式专项练习 60.docx
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初一数学下册平方差公式专项练习60
(8x+3)(8x-3)(5x-8y)(5x+8y)
(-2x+8)(-2x-8)(7a-4b)(7a+4b)
(6-7a)(6+7a)(0.7x+0.5)(0.7x-0.5)
(9m-n)(9m+n)+8n2(-8k+10)(-8k-10)
(8x+10)(8x-10)(6x-5y)(6x+5y)
(5+8x)(5-8x)2x2-(y+3x)(y-3x)
(3-4a)(3+4a)(0.4x+0.9)(0.4x-0.9)
(a+2)(a-2)(x+3)(x-3)(x2+9)
(ab+4)(ab-4)(a+5)(a-5)(a2+25)
(-7m-4n)(-7m+4n)(an+3b)(an-3b)
(x+9y)(x-9y)(8mn-4n)(8mn+4n)
(y+5z)(y-5z)(-3x-y)(-3x+y)
(7x+1)(7x-1)(5x-2y)(5x+2y)
(-x+5)(-x-5)(5a-2b)(5a+2b)
(6-a)(6+a)(0.5x+0.1)(0.5x-0.1)
(4m-3n)(4m+3n)+8n2(-7k+4)(-7k-4)
(2x+1)(2x-1)(3x-2y)(3x+2y)
(9+10x)(9-10x)5x2-(y+3x)(y-3x)
(7-9a)(7+9a)(0.4x+0.8)(0.4x-0.8)
(a+2)(a-2)(x+5)(x-5)(x2+25)
(ab+5)(ab-5)(a+5)(a-5)(a2+25)
(-6m-3n)(-6m+3n)(an+7b)(an-7b)
(x+4y)(x-4y)(6mn-5n)(6mn+5n)
(y+3z)(y-3z)(-x-2y)(-x+2y)
(6x+9)(6x-9)(5x-3y)(5x+3y)
(-4x+4)(-4x-4)(a-2b)(a+2b)
(5-2a)(5+2a)(0.3x+0.5)(0.3x-0.5)
(9m-n)(9m+n)+3n2(-k+5)(-k-5)
(3x+10)(3x-10)(9x-y)(9x+y)
(2+4x)(2-4x)9x2+(y+5x)(y-5x)
(1-6a)(1+6a)(0.7x+0.4)(0.7x-0.4)
(a+4)(a-4)(x+2)(x-2)(x2+4)
(ab+9)(ab-9)(a+1)(a-1)(a2+1)
(-8m-3n)(-8m+3n)(an+9b)(an-9b)
(x+9y)(x-9y)(9mn-4n)(9mn+4n)
(y+7z)(y-7z)(-4x-5y)(-4x+5y)
(7x+2)(7x-2)(8x-4y)(8x+4y)
(-x+10)(-x-10)(3a-4b)(3a+4b)
(10-10a)(10+10a)(0.5x+0.1)(0.5x-0.1)
(4m-2n)(4m+2n)+9n2(-3k+10)(-3k-10)
(6x+6)(6x-6)(6x-5y)(6x+5y)
(4+5x)(4-5x)5x2+(y+3x)(y-3x)
(1-3a)(1+3a)(0.8x+0.2)(0.8x-0.2)
(a+10)(a-10)(x+5)(x-5)(x2+25)
(ab+6)(ab-6)(a+9)(a-9)(a2+81)
(-3m-3n)(-3m+3n)(an+8b)(an-8b)
(x+2y)(x-2y)(9mn-2n)(9mn+2n)
(y+9z)(y-9z)(-9x-4y)(-9x+4y)
(6x+3)(6x-3)(x-3y)(x+3y)
(-8x+8)(-8x-8)(2a-2b)(2a+2b)
(8-10a)(8+10a)(0.4x+0.5)(0.4x-0.5)
(6m-3n)(6m+3n)+9n2(-4k+1)(-4k-1)
(4x+10)(4x-10)(x-7y)(x+7y)
(5+10x)(5-10x)8x2+(y+6x)(y-6x)
(3-6a)(3+6a)(0.3x+0.6)(0.3x-0.6)
(a+3)(a-3)(x+7)(x-7)(x2+49)
(ab+4)(ab-4)(a+5)(a-5)(a2+25)
(-4m-3n)(-4m+3n)(an+6b)(an-6b)
(x+5y)(x-5y)(5mn-3n)(5mn+3n)
(y+9z)(y-9z)(-2x-y)(-2x+y)
(7x+9)(7x-9)(3x-y)(3x+y)
(-5x+10)(-5x-10)(6a-3b)(6a+3b)
(8-8a)(8+8a)(0.6x+0.1)(0.6x-0.1)
(m-4n)(m+4n)-7n2(-3k+3)(-3k-3)
(3x+5)(3x-5)(5x-4y)(5x+4y)
(1+6x)(1-6x)3x2-(y+2x)(y-2x)
(8-4a)(8+4a)(0.7x+0.5)(0.7x-0.5)
(a+2)(a-2)(x+4)(x-4)(x2+16)
(ab+8)(ab-8)(a+1)(a-1)(a2+1)
(-8m-4n)(-8m+4n)(an+9b)(an-9b)
(x+3y)(x-3y)(5mn-4n)(5mn+4n)
(y+9z)(y-9z)(-4x-3y)(-4x+3y)
(4x+1)(4x-1)(3x-4y)(3x+4y)
(-x+3)(-x-3)(2a-2b)(2a+2b)
(2-2a)(2+2a)(0.6x+0.9)(0.6x-0.9)
(9m-2n)(9m+2n)-9n2(-7k+4)(-7k-4)
(2x+5)(2x-5)(7x-2y)(7x+2y)
(8+8x)(8-8x)8x2-(y+2x)(y-2x)
(4-a)(4+a)(0.2x+0.7)(0.2x-0.7)
(a+7)(a-7)(x+6)(x-6)(x2+36)
(ab+8)(ab-8)(a+8)(a-8)(a2+64)
(-4m-2n)(-4m+2n)(an+9b)(an-9b)
(x+9y)(x-9y)(7mn-5n)(7mn+5n)
(y+8z)(y-8z)(-7x-5y)(-7x+5y)
(7x+8)(7x-8)(6x-5y)(6x+5y)
(-2x+8)(-2x-8)(6a-b)(6a+b)
(10-4a)(10+4a)(0.3x+0.3)(0.3x-0.3)
(2m-2n)(2m+2n)-4n2(-7k+5)(-7k-5)
(7x+10)(7x-10)(5x-4y)(5x+4y)
(2+7x)(2-7x)6x2-(y+3x)(y-3x)
(7-5a)(7+5a)(0.6x+0.8)(0.6x-0.8)
(a+8)(a-8)(x+4)(x-4)(x2+16)
(ab+7)(ab-7)(a+4)(a-4)(a2+16)
(-3m-3n)(-3m+3n)(an+2b)(an-2b)
(x+3y)(x-3y)(7mn-2n)(7mn+2n)
(y+3z)(y-3z)(-2x-y)(-2x+y)
(9x+9)(9x-9)(9x-9y)(9x+9y)
(-6x+10)(-6x-10)(a-2b)(a+2b)
(8-2a)(8+2a)(0.4x+0.9)(0.4x-0.9)
(9m-4n)(9m+4n)-3n2(-7k+3)(-7k-3)
(9x+9)(9x-9)(6x-y)(6x+y)
(2+2x)(2-2x)6x2-(y+3x)(y-3x)
(7-10a)(7+10a)(0.4x+1)(0.4x-1)
(a+5)(a-5)(x+8)(x-8)(x2+64)
(ab+6)(ab-6)(a+2)(a-2)(a2+4)
(-6m-n)(-6m+n)(an+b)(an-b)
(x+5y)(x-5y)(2mn-2n)(2mn+2n)
(y+2z)(y-2z)(-3x-2y)(-3x+2y)
(5x+9)(5x-9)(3x-3y)(3x+3y)
(-x+3)(-x-3)(9a-3b)(9a+3b)
(2-7a)(2+7a)(0.2x+0.6)(0.2x-0.6)
(4m-5n)(4m+5n)-2n2(-7k+6)(-7k-6)
(3x+4)(3x-4)(6x-2y)(6x+2y)
(3+4x)(3-4x)6x2-(y+6x)(y-6x)
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