初一数学下册平方差公式专项练习 34.docx
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初一数学下册平方差公式专项练习 34.docx
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初一数学下册平方差公式专项练习34
(x+9)(x-9)(2x-6y)(2x+6y)
(-6x+7)(-6x-7)(a-b)(a+b)
(3-5a)(3+5a)(0.8x+0.3)(0.8x-0.3)
(2m-3n)(2m+3n)+2n2(-7k+10)(-7k-10)
(2x+6)(2x-6)(6x-8y)(6x+8y)
(8+2x)(8-2x)2x2+(y+5x)(y-5x)
(1-2a)(1+2a)(0.6x+0.5)(0.6x-0.5)
(a+1)(a-1)(x+9)(x-9)(x2+81)
(ab+4)(ab-4)(a+7)(a-7)(a2+49)
(-6m-3n)(-6m+3n)(an+3b)(an-3b)
(x+4y)(x-4y)(2mn-n)(2mn+n)
(y+9z)(y-9z)(-5x-5y)(-5x+5y)
(9x+1)(9x-1)(x-6y)(x+6y)
(-7x+3)(-7x-3)(a-b)(a+b)
(5-2a)(5+2a)(0.1x+0.7)(0.1x-0.7)
(4m-2n)(4m+2n)+2n2(-8k+8)(-8k-8)
(6x+6)(6x-6)(7x-2y)(7x+2y)
(4+x)(4-x)6x2-(y+3x)(y-3x)
(10-2a)(10+2a)(0.8x+1)(0.8x-1)
(a+1)(a-1)(x+2)(x-2)(x2+4)
(ab+4)(ab-4)(a+8)(a-8)(a2+64)
(-3m-3n)(-3m+3n)(an+5b)(an-5b)
(x+3y)(x-3y)(4mn-3n)(4mn+3n)
(y+3z)(y-3z)(-3x-4y)(-3x+4y)
(6x+1)(6x-1)(4x-6y)(4x+6y)
(-x+6)(-x-6)(4a-4b)(4a+4b)
(10-10a)(10+10a)(0.1x+1)(0.1x-1)
(4m-n)(4m+n)+2n2(-6k+3)(-6k-3)
(6x+9)(6x-9)(7x-6y)(7x+6y)
(5+x)(5-x)4x2+(y+3x)(y-3x)
(9-a)(9+a)(0.1x+1)(0.1x-1)
(a+9)(a-9)(x+5)(x-5)(x2+25)
(ab+3)(ab-3)(a+8)(a-8)(a2+64)
(-5m-3n)(-5m+3n)(an+4b)(an-4b)
(x+2y)(x-2y)(7mn-2n)(7mn+2n)
(y+8z)(y-8z)(-6x-5y)(-6x+5y)
(9x+9)(9x-9)(3x-8y)(3x+8y)
(-6x+5)(-6x-5)(4a-3b)(4a+3b)
(1-4a)(1+4a)(0.9x+0.2)(0.9x-0.2)
(8m-2n)(8m+2n)-3n2(-k+9)(-k-9)
(8x+1)(8x-1)(7x-y)(7x+y)
(3+10x)(3-10x)7x2+(y+4x)(y-4x)
(4-6a)(4+6a)(0.1x+1)(0.1x-1)
(a+9)(a-9)(x+8)(x-8)(x2+64)
(ab+2)(ab-2)(a+1)(a-1)(a2+1)
(-9m-2n)(-9m+2n)(an+8b)(an-8b)
(x+3y)(x-3y)(7mn-4n)(7mn+4n)
(y+2z)(y-2z)(-4x-2y)(-4x+2y)
(3x+2)(3x-2)(8x-5y)(8x+5y)
(-8x+8)(-8x-8)(6a-b)(6a+b)
(2-6a)(2+6a)(0.6x+0.1)(0.6x-0.1)
(8m-3n)(8m+3n)-7n2(-8k+7)(-8k-7)
(6x+3)(6x-3)(4x-8y)(4x+8y)
(8+10x)(8-10x)5x2+(y+3x)(y-3x)
(3-9a)(3+9a)(0.7x+0.1)(0.7x-0.1)
(a+9)(a-9)(x+6)(x-6)(x2+36)
(ab+3)(ab-3)(a+5)(a-5)(a2+25)
(-4m-2n)(-4m+2n)(an+4b)(an-4b)
(x+6y)(x-6y)(4mn-5n)(4mn+5n)
(y+5z)(y-5z)(-5x-3y)(-5x+3y)
(6x+1)(6x-1)(x-8y)(x+8y)
(-3x+6)(-3x-6)(2a-2b)(2a+2b)
(8-2a)(8+2a)(0.6x+0.2)(0.6x-0.2)
(9m-3n)(9m+3n)+4n2(-6k+4)(-6k-4)
(4x+2)(4x-2)(5x-7y)(5x+7y)
(1+2x)(1-2x)8x2+(y+6x)(y-6x)
(9-9a)(9+9a)(0.8x+0.6)(0.8x-0.6)
(a+4)(a-4)(x+3)(x-3)(x2+9)
(ab+8)(ab-8)(a+1)(a-1)(a2+1)
(-9m-3n)(-9m+3n)(an+5b)(an-5b)
(x+9y)(x-9y)(9mn-n)(9mn+n)
(y+3z)(y-3z)(-7x-4y)(-7x+4y)
(8x+3)(8x-3)(8x-2y)(8x+2y)
(-5x+6)(-5x-6)(4a-5b)(4a+5b)
(1-6a)(1+6a)(0.6x+1)(0.6x-1)
(3m-5n)(3m+5n)-5n2(-k+10)(-k-10)
(6x+9)(6x-9)(5x-2y)(5x+2y)
(3+10x)(3-10x)2x2-(y+2x)(y-2x)
(9-a)(9+a)(0.4x+0.9)(0.4x-0.9)
(a+5)(a-5)(x+3)(x-3)(x2+9)
(ab+8)(ab-8)(a+5)(a-5)(a2+25)
(-m-2n)(-m+2n)(an+6b)(an-6b)
(x+6y)(x-6y)(5mn-n)(5mn+n)
(y+6z)(y-6z)(-3x-3y)(-3x+3y)
(5x+5)(5x-5)(2x-6y)(2x+6y)
(-6x+5)(-6x-5)(2a-2b)(2a+2b)
(1-5a)(1+5a)(0.2x+0.1)(0.2x-0.1)
(8m-4n)(8m+4n)+8n2(-4k+2)(-4k-2)
(5x+5)(5x-5)(2x-6y)(2x+6y)
(10+5x)(10-5x)5x2-(y+3x)(y-3x)
(10-a)(10+a)(0.6x+0.7)(0.6x-0.7)
(a+2)(a-2)(x+5)(x-5)(x2+25)
(ab+7)(ab-7)(a+9)(a-9)(a2+81)
(-8m-3n)(-8m+3n)(an+5b)(an-5b)
(x+9y)(x-9y)(9mn-3n)(9mn+3n)
(y+3z)(y-3z)(-x-2y)(-x+2y)
(5x+6)(5x-6)(x-5y)(x+5y)
(-3x+1)(-3x-1)(4a-5b)(4a+5b)
(5-7a)(5+7a)(0.2x+0.4)(0.2x-0.4)
(5m-n)(5m+n)-2n2(-4k+7)(-4k-7)
(8x+6)(8x-6)(5x-7y)(5x+7y)
(8+5x)(8-5x)2x2+(y+5x)(y-5x)
(8-a)(8+a)(0.1x+1)(0.1x-1)
(a+5)(a-5)(x+7)(x-7)(x2+49)
(ab+4)(ab-4)(a+7)(a-7)(a2+49)
(-m-n)(-m+n)(an+3b)(an-3b)
(x+3y)(x-3y)(6mn-4n)(6mn+4n)
(y+2z)(y-2z)(-6x-3y)(-6x+3y)
(9x+7)(9x-7)(9x-4y)(9x+4y)
(-5x+2)(-5x-2)(5a-5b)(5a+5b)
(6-9a)(6+9a)(0.3x+0.4)(0.3x-0.4)
(m-5n)(m+5n)-5n2(-8k+8)(-8k-8)
(6x+1)(6x-1)(5x-3y)(5x+3y)
(6+2x)(6-2x)5x2+(y+6x)(y-6x)
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