初一数学下册平方差公式专项练习 24.docx

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初一数学下册平方差公式专项练习 24.docx

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初一数学下册平方差公式专项练习 24.docx

初一数学下册平方差公式专项练习24

(5x+5)(5x-5)(8x-3y)(8x+3y)

(-7x+4)(-7x-4)(6a-b)(6a+b)

(2-2a)(2+2a)(0.2x+0.7)(0.2x-0.7)

(7m-3n)(7m+3n)-9n2(-5k+9)(-5k-9)

(4x+3)(4x-3)(x-6y)(x+6y)

(1+x)(1-x)2x2+(y+5x)(y-5x)

(3-4a)(3+4a)(0.5x+0.9)(0.5x-0.9)

(a+3)(a-3)(x+2)(x-2)(x2+4)

(ab+6)(ab-6)(a+7)(a-7)(a2+49)

(-2m-5n)(-2m+5n)(an+4b)(an-4b)

(x+4y)(x-4y)(7mn-3n)(7mn+3n)

(y+8z)(y-8z)(-2x-3y)(-2x+3y)

(x+10)(x-10)(6x-9y)(6x+9y)

(-7x+3)(-7x-3)(a-4b)(a+4b)

(10-10a)(10+10a)(0.8x+0.5)(0.8x-0.5)

(3m-2n)(3m+2n)+6n2(-4k+3)(-4k-3)

(2x+4)(2x-4)(4x-9y)(4x+9y)

(9+4x)(9-4x)7x2+(y+3x)(y-3x)

(2-4a)(2+4a)(0.9x+1)(0.9x-1)

(a+10)(a-10)(x+4)(x-4)(x2+16)

(ab+6)(ab-6)(a+9)(a-9)(a2+81)

(-8m-n)(-8m+n)(an+4b)(an-4b)

(x+4y)(x-4y)(7mn-n)(7mn+n)

(y+9z)(y-9z)(-7x-y)(-7x+y)

(8x+8)(8x-8)(5x-4y)(5x+4y)

(-2x+2)(-2x-2)(2a-b)(2a+b)

(10-2a)(10+2a)(0.8x+0.4)(0.8x-0.4)

(2m-3n)(2m+3n)-7n2(-6k+2)(-6k-2)

(5x+3)(5x-3)(5x-6y)(5x+6y)

(2+3x)(2-3x)2x2+(y+3x)(y-3x)

(4-4a)(4+4a)(0.7x+0.8)(0.7x-0.8)

(a+2)(a-2)(x+8)(x-8)(x2+64)

(ab+8)(ab-8)(a+7)(a-7)(a2+49)

(-2m-2n)(-2m+2n)(an+8b)(an-8b)

(x+9y)(x-9y)(8mn-4n)(8mn+4n)

(y+3z)(y-3z)(-x-5y)(-x+5y)

(x+10)(x-10)(6x-6y)(6x+6y)

(-7x+10)(-7x-10)(a-2b)(a+2b)

(4-8a)(4+8a)(0.7x+0.9)(0.7x-0.9)

(m-n)(m+n)+2n2(-8k+9)(-8k-9)

(x+7)(x-7)(8x-3y)(8x+3y)

(2+6x)(2-6x)6x2-(y+6x)(y-6x)

(4-9a)(4+9a)(0.2x+0.1)(0.2x-0.1)

(a+8)(a-8)(x+3)(x-3)(x2+9)

(ab+8)(ab-8)(a+4)(a-4)(a2+16)

(-9m-5n)(-9m+5n)(an+3b)(an-3b)

(x+9y)(x-9y)(mn-4n)(mn+4n)

(y+9z)(y-9z)(-2x-2y)(-2x+2y)

(4x+4)(4x-4)(6x-y)(6x+y)

(-8x+4)(-8x-4)(7a-4b)(7a+4b)

(3-a)(3+a)(0.7x+0.3)(0.7x-0.3)

(m-5n)(m+5n)-9n2(-3k+2)(-3k-2)

(5x+2)(5x-2)(x-6y)(x+6y)

(8+10x)(8-10x)5x2-(y+5x)(y-5x)

(5-a)(5+a)(0.7x+0.9)(0.7x-0.9)

(a+5)(a-5)(x+4)(x-4)(x2+16)

(ab+8)(ab-8)(a+7)(a-7)(a2+49)

(-2m-2n)(-2m+2n)(an+6b)(an-6b)

(x+4y)(x-4y)(4mn-4n)(4mn+4n)

(y+8z)(y-8z)(-4x-3y)(-4x+3y)

(8x+7)(8x-7)(8x-6y)(8x+6y)

(-9x+9)(-9x-9)(a-b)(a+b)

(1-3a)(1+3a)(0.7x+0.3)(0.7x-0.3)

(8m-4n)(8m+4n)-7n2(-6k+6)(-6k-6)

(4x+2)(4x-2)(7x-6y)(7x+6y)

(2+8x)(2-8x)3x2-(y+5x)(y-5x)

(8-9a)(8+9a)(0.3x+0.5)(0.3x-0.5)

(a+7)(a-7)(x+8)(x-8)(x2+64)

(ab+9)(ab-9)(a+2)(a-2)(a2+4)

(-3m-2n)(-3m+2n)(an+2b)(an-2b)

(x+3y)(x-3y)(6mn-4n)(6mn+4n)

(y+2z)(y-2z)(-x-4y)(-x+4y)

(3x+4)(3x-4)(5x-7y)(5x+7y)

(-9x+8)(-9x-8)(4a-b)(4a+b)

(3-7a)(3+7a)(0.5x+0.7)(0.5x-0.7)

(6m-2n)(6m+2n)-9n2(-8k+5)(-8k-5)

(9x+8)(9x-8)(2x-3y)(2x+3y)

(4+10x)(4-10x)3x2-(y+3x)(y-3x)

(2-7a)(2+7a)(0.3x+0.3)(0.3x-0.3)

(a+10)(a-10)(x+9)(x-9)(x2+81)

(ab+4)(ab-4)(a+4)(a-4)(a2+16)

(-9m-5n)(-9m+5n)(an+4b)(an-4b)

(x+7y)(x-7y)(4mn-3n)(4mn+3n)

(y+8z)(y-8z)(-x-y)(-x+y)

(7x+10)(7x-10)(6x-7y)(6x+7y)

(-9x+8)(-9x-8)(3a-4b)(3a+4b)

(8-8a)(8+8a)(0.5x+0.3)(0.5x-0.3)

(m-2n)(m+2n)-2n2(-9k+3)(-9k-3)

(4x+8)(4x-8)(x-3y)(x+3y)

(6+x)(6-x)6x2+(y+6x)(y-6x)

(10-6a)(10+6a)(0.5x+0.9)(0.5x-0.9)

(a+1)(a-1)(x+2)(x-2)(x2+4)

(ab+4)(ab-4)(a+1)(a-1)(a2+1)

(-7m-n)(-7m+n)(an+5b)(an-5b)

(x+3y)(x-3y)(2mn-3n)(2mn+3n)

(y+8z)(y-8z)(-4x-5y)(-4x+5y)

(x+2)(x-2)(4x-y)(4x+y)

(-9x+4)(-9x-4)(2a-4b)(2a+4b)

(5-2a)(5+2a)(0.2x+0.4)(0.2x-0.4)

(3m-3n)(3m+3n)-3n2(-7k+10)(-7k-10)

(x+5)(x-5)(3x-y)(3x+y)

(5+8x)(5-8x)8x2+(y+4x)(y-4x)

(9-a)(9+a)(0.6x+0.4)(0.6x-0.4)

(a+8)(a-8)(x+3)(x-3)(x2+9)

(ab+2)(ab-2)(a+9)(a-9)(a2+81)

(-3m-4n)(-3m+4n)(an+7b)(an-7b)

(x+5y)(x-5y)(8mn-4n)(8mn+4n)

(y+8z)(y-8z)(-5x-y)(-5x+y)

(5x+10)(5x-10)(2x-5y)(2x+5y)

(-8x+7)(-8x-7)(6a-2b)(6a+2b)

(4-8a)(4+8a)(0.7x+0.3)(0.7x-0.3)

(8m-5n)(8m+5n)-2n2(-k+4)(-k-4)

(5x+2)(5x-2)(6x-y)(6x+y)

(2+7x)(2-7x)2x2-(y+3x)(y-3x)

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