初一数学下册平方差公式专项练习 33.docx
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初一数学下册平方差公式专项练习 33.docx
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初一数学下册平方差公式专项练习33
(1-a)(1+a)(0.2x+0.7)(0.2x-0.7)
(a+8)(a-8)(x+6)(x-6)(x2+36)
(ab+6)(ab-6)(a+7)(a-7)(a2+49)
(-7m-3n)(-7m+3n)(an+8b)(an-8b)
(x+8y)(x-8y)(3mn-4n)(3mn+4n)
(y+6z)(y-6z)(-3x-3y)(-3x+3y)
(6x+8)(6x-8)(4x-y)(4x+y)
(-9x+2)(-9x-2)(8a-5b)(8a+5b)
(2-10a)(2+10a)(0.7x+0.3)(0.7x-0.3)
(9m-4n)(9m+4n)+7n2(-4k+7)(-4k-7)
(3x+5)(3x-5)(8x-4y)(8x+4y)
(8+7x)(8-7x)5x2-(y+3x)(y-3x)
(8-4a)(8+4a)(0.4x+0.2)(0.4x-0.2)
(a+8)(a-8)(x+3)(x-3)(x2+9)
(ab+9)(ab-9)(a+1)(a-1)(a2+1)
(-7m-5n)(-7m+5n)(an+b)(an-b)
(x+8y)(x-8y)(8mn-5n)(8mn+5n)
(y+2z)(y-2z)(-8x-3y)(-8x+3y)
(7x+2)(7x-2)(x-6y)(x+6y)
(-2x+1)(-2x-1)(a-4b)(a+4b)
(3-7a)(3+7a)(0.7x+0.9)(0.7x-0.9)
(4m-3n)(4m+3n)+9n2(-7k+6)(-7k-6)
(x+5)(x-5)(5x-9y)(5x+9y)
(4+7x)(4-7x)8x2-(y+3x)(y-3x)
(9-3a)(9+3a)(0.5x+1)(0.5x-1)
(a+9)(a-9)(x+5)(x-5)(x2+25)
(ab+9)(ab-9)(a+6)(a-6)(a2+36)
(-2m-2n)(-2m+2n)(an+8b)(an-8b)
(x+3y)(x-3y)(8mn-n)(8mn+n)
(y+8z)(y-8z)(-9x-y)(-9x+y)
(5x+8)(5x-8)(9x-8y)(9x+8y)
(-8x+9)(-8x-9)(4a-4b)(4a+4b)
(8-10a)(8+10a)(0.1x+0.9)(0.1x-0.9)
(9m-4n)(9m+4n)-3n2(-8k+6)(-8k-6)
(7x+5)(7x-5)(4x-5y)(4x+5y)
(8+4x)(8-4x)5x2-(y+6x)(y-6x)
(6-2a)(6+2a)(0.7x+0.1)(0.7x-0.1)
(a+8)(a-8)(x+6)(x-6)(x2+36)
(ab+4)(ab-4)(a+4)(a-4)(a2+16)
(-5m-5n)(-5m+5n)(an+5b)(an-5b)
(x+8y)(x-8y)(9mn-4n)(9mn+4n)
(y+8z)(y-8z)(-x-3y)(-x+3y)
(x+5)(x-5)(3x-5y)(3x+5y)
(-4x+7)(-4x-7)(7a-5b)(7a+5b)
(3-4a)(3+4a)(0.4x+0.8)(0.4x-0.8)
(4m-4n)(4m+4n)+5n2(-4k+9)(-4k-9)
(8x+4)(8x-4)(9x-3y)(9x+3y)
(2+5x)(2-5x)4x2+(y+2x)(y-2x)
(5-7a)(5+7a)(0.4x+0.8)(0.4x-0.8)
(a+5)(a-5)(x+3)(x-3)(x2+9)
(ab+4)(ab-4)(a+9)(a-9)(a2+81)
(-5m-n)(-5m+n)(an+4b)(an-4b)
(x+7y)(x-7y)(9mn-4n)(9mn+4n)
(y+4z)(y-4z)(-3x-3y)(-3x+3y)
(4x+3)(4x-3)(6x-y)(6x+y)
(-7x+10)(-7x-10)(9a-2b)(9a+2b)
(3-10a)(3+10a)(0.5x+0.4)(0.5x-0.4)
(4m-4n)(4m+4n)-9n2(-3k+1)(-3k-1)
(2x+8)(2x-8)(3x-9y)(3x+9y)
(6+6x)(6-6x)7x2+(y+2x)(y-2x)
(4-7a)(4+7a)(0.5x+0.7)(0.5x-0.7)
(a+10)(a-10)(x+6)(x-6)(x2+36)
(ab+5)(ab-5)(a+3)(a-3)(a2+9)
(-9m-3n)(-9m+3n)(an+2b)(an-2b)
(x+2y)(x-2y)(4mn-2n)(4mn+2n)
(y+6z)(y-6z)(-8x-2y)(-8x+2y)
(2x+6)(2x-6)(x-8y)(x+8y)
(-5x+6)(-5x-6)(7a-2b)(7a+2b)
(8-9a)(8+9a)(0.6x+0.1)(0.6x-0.1)
(4m-4n)(4m+4n)+8n2(-2k+3)(-2k-3)
(7x+3)(7x-3)(9x-y)(9x+y)
(1+4x)(1-4x)6x2+(y+2x)(y-2x)
(3-4a)(3+4a)(0.1x+0.9)(0.1x-0.9)
(a+9)(a-9)(x+3)(x-3)(x2+9)
(ab+6)(ab-6)(a+1)(a-1)(a2+1)
(-7m-3n)(-7m+3n)(an+2b)(an-2b)
(x+7y)(x-7y)(7mn-4n)(7mn+4n)
(y+8z)(y-8z)(-4x-5y)(-4x+5y)
(4x+4)(4x-4)(6x-y)(6x+y)
(-x+6)(-x-6)(4a-3b)(4a+3b)
(5-5a)(5+5a)(0.4x+0.6)(0.4x-0.6)
(m-2n)(m+2n)+9n2(-5k+3)(-5k-3)
(4x+2)(4x-2)(2x-2y)(2x+2y)
(9+9x)(9-9x)2x2-(y+6x)(y-6x)
(7-7a)(7+7a)(0.6x+0.1)(0.6x-0.1)
(a+9)(a-9)(x+6)(x-6)(x2+36)
(ab+5)(ab-5)(a+2)(a-2)(a2+4)
(-7m-3n)(-7m+3n)(an+9b)(an-9b)
(x+3y)(x-3y)(4mn-4n)(4mn+4n)
(y+2z)(y-2z)(-3x-3y)(-3x+3y)
(2x+8)(2x-8)(7x-5y)(7x+5y)
(-5x+4)(-5x-4)(2a-5b)(2a+5b)
(5-7a)(5+7a)(0.7x+0.2)(0.7x-0.2)
(9m-4n)(9m+4n)-6n2(-5k+2)(-5k-2)
(2x+3)(2x-3)(5x-3y)(5x+3y)
(9+10x)(9-10x)2x2-(y+5x)(y-5x)
(2-8a)(2+8a)(0.5x+1)(0.5x-1)
(a+5)(a-5)(x+9)(x-9)(x2+81)
(ab+8)(ab-8)(a+5)(a-5)(a2+25)
(-8m-5n)(-8m+5n)(an+2b)(an-2b)
(x+8y)(x-8y)(6mn-4n)(6mn+4n)
(y+5z)(y-5z)(-5x-2y)(-5x+2y)
(8x+7)(8x-7)(3x-2y)(3x+2y)
(-9x+1)(-9x-1)(8a-3b)(8a+3b)
(4-9a)(4+9a)(0.4x+0.7)(0.4x-0.7)
(3m-2n)(3m+2n)-9n2(-3k+10)(-3k-10)
(6x+8)(6x-8)(2x-y)(2x+y)
(8+4x)(8-4x)3x2-(y+6x)(y-6x)
(10-2a)(10+2a)(0.6x+0.1)(0.6x-0.1)
(a+8)(a-8)(x+9)(x-9)(x2+81)
(ab+6)(ab-6)(a+1)(a-1)(a2+1)
(-2m-5n)(-2m+5n)(an+9b)(an-9b)
(x+7y)(x-7y)(8mn-2n)(8mn+2n)
(y+3z)(y-3z)(-4x-5y)(-4x+5y)
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