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