初一数学下册平方差公式专项练习 11.docx
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初一数学下册平方差公式专项练习 11.docx
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初一数学下册平方差公式专项练习11
(8-8a)(8+8a)(0.3x+0.7)(0.3x-0.7)
(a+1)(a-1)(x+5)(x-5)(x2+25)
(ab+9)(ab-9)(a+8)(a-8)(a2+64)
(-5m-5n)(-5m+5n)(an+9b)(an-9b)
(x+9y)(x-9y)(4mn-n)(4mn+n)
(y+5z)(y-5z)(-8x-5y)(-8x+5y)
(4x+4)(4x-4)(8x-2y)(8x+2y)
(-4x+3)(-4x-3)(7a-4b)(7a+4b)
(2-3a)(2+3a)(0.1x+0.4)(0.1x-0.4)
(5m-5n)(5m+5n)-7n2(-8k+6)(-8k-6)
(6x+10)(6x-10)(x-3y)(x+3y)
(1+10x)(1-10x)7x2-(y+6x)(y-6x)
(6-3a)(6+3a)(0.7x+0.7)(0.7x-0.7)
(a+7)(a-7)(x+3)(x-3)(x2+9)
(ab+2)(ab-2)(a+2)(a-2)(a2+4)
(-3m-n)(-3m+n)(an+5b)(an-5b)
(x+6y)(x-6y)(8mn-n)(8mn+n)
(y+8z)(y-8z)(-2x-4y)(-2x+4y)
(9x+3)(9x-3)(9x-9y)(9x+9y)
(-5x+3)(-5x-3)(7a-2b)(7a+2b)
(5-6a)(5+6a)(0.7x+0.5)(0.7x-0.5)
(m-2n)(m+2n)+8n2(-k+1)(-k-1)
(x+2)(x-2)(x-5y)(x+5y)
(7+5x)(7-5x)6x2+(y+4x)(y-4x)
(2-9a)(2+9a)(0.9x+0.2)(0.9x-0.2)
(a+9)(a-9)(x+7)(x-7)(x2+49)
(ab+1)(ab-1)(a+2)(a-2)(a2+4)
(-4m-3n)(-4m+3n)(an+7b)(an-7b)
(x+6y)(x-6y)(8mn-n)(8mn+n)
(y+9z)(y-9z)(-4x-5y)(-4x+5y)
(7x+5)(7x-5)(2x-8y)(2x+8y)
(-x+9)(-x-9)(5a-3b)(5a+3b)
(1-3a)(1+3a)(0.7x+0.6)(0.7x-0.6)
(7m-4n)(7m+4n)-6n2(-7k+2)(-7k-2)
(3x+9)(3x-9)(x-7y)(x+7y)
(4+9x)(4-9x)6x2+(y+6x)(y-6x)
(6-2a)(6+2a)(0.1x+0.8)(0.1x-0.8)
(a+2)(a-2)(x+9)(x-9)(x2+81)
(ab+6)(ab-6)(a+3)(a-3)(a2+9)
(-m-4n)(-m+4n)(an+7b)(an-7b)
(x+2y)(x-2y)(4mn-n)(4mn+n)
(y+8z)(y-8z)(-6x-5y)(-6x+5y)
(9x+6)(9x-6)(5x-4y)(5x+4y)
(-6x+8)(-6x-8)(7a-4b)(7a+4b)
(5-2a)(5+2a)(0.1x+0.2)(0.1x-0.2)
(4m-4n)(4m+4n)-3n2(-3k+10)(-3k-10)
(7x+6)(7x-6)(7x-4y)(7x+4y)
(5+10x)(5-10x)4x2+(y+2x)(y-2x)
(2-2a)(2+2a)(0.5x+0.7)(0.5x-0.7)
(a+7)(a-7)(x+3)(x-3)(x2+9)
(ab+4)(ab-4)(a+1)(a-1)(a2+1)
(-5m-4n)(-5m+4n)(an+9b)(an-9b)
(x+5y)(x-5y)(6mn-n)(6mn+n)
(y+9z)(y-9z)(-4x-2y)(-4x+2y)
(9x+6)(9x-6)(x-y)(x+y)
(-2x+6)(-2x-6)(5a-3b)(5a+3b)
(5-10a)(5+10a)(0.7x+0.4)(0.7x-0.4)
(2m-4n)(2m+4n)-3n2(-6k+4)(-6k-4)
(4x+5)(4x-5)(7x-8y)(7x+8y)
(2+8x)(2-8x)6x2-(y+3x)(y-3x)
(3-6a)(3+6a)(0.2x+0.8)(0.2x-0.8)
(a+3)(a-3)(x+7)(x-7)(x2+49)
(ab+5)(ab-5)(a+7)(a-7)(a2+49)
(-9m-5n)(-9m+5n)(an+3b)(an-3b)
(x+3y)(x-3y)(6mn-3n)(6mn+3n)
(y+5z)(y-5z)(-9x-2y)(-9x+2y)
(5x+8)(5x-8)(2x-8y)(2x+8y)
(-7x+1)(-7x-1)(5a-4b)(5a+4b)
(2-8a)(2+8a)(0.5x+1)(0.5x-1)
(9m-5n)(9m+5n)+7n2(-3k+1)(-3k-1)
(9x+1)(9x-1)(7x-y)(7x+y)
(9+5x)(9-5x)3x2+(y+2x)(y-2x)
(3-9a)(3+9a)(0.4x+0.4)(0.4x-0.4)
(a+2)(a-2)(x+1)(x-1)(x2+1)
(ab+2)(ab-2)(a+5)(a-5)(a2+25)
(-2m-5n)(-2m+5n)(an+2b)(an-2b)
(x+2y)(x-2y)(mn-5n)(mn+5n)
(y+9z)(y-9z)(-3x-2y)(-3x+2y)
(5x+7)(5x-7)(9x-5y)(9x+5y)
(-4x+1)(-4x-1)(4a-2b)(4a+2b)
(7-8a)(7+8a)(0.9x+0.9)(0.9x-0.9)
(9m-2n)(9m+2n)-3n2(-6k+3)(-6k-3)
(4x+1)(4x-1)(5x-9y)(5x+9y)
(3+2x)(3-2x)3x2-(y+5x)(y-5x)
(3-7a)(3+7a)(0.7x+0.8)(0.7x-0.8)
(a+7)(a-7)(x+8)(x-8)(x2+64)
(ab+9)(ab-9)(a+9)(a-9)(a2+81)
(-4m-5n)(-4m+5n)(an+5b)(an-5b)
(x+8y)(x-8y)(mn-3n)(mn+3n)
(y+9z)(y-9z)(-6x-2y)(-6x+2y)
(8x+9)(8x-9)(9x-3y)(9x+3y)
(-x+10)(-x-10)(9a-3b)(9a+3b)
(10-6a)(10+6a)(0.7x+0.6)(0.7x-0.6)
(8m-4n)(8m+4n)+8n2(-9k+7)(-9k-7)
(8x+8)(8x-8)(2x-y)(2x+y)
(2+10x)(2-10x)4x2-(y+6x)(y-6x)
(4-8a)(4+8a)(0.3x+0.3)(0.3x-0.3)
(a+8)(a-8)(x+9)(x-9)(x2+81)
(ab+5)(ab-5)(a+2)(a-2)(a2+4)
(-m-4n)(-m+4n)(an+5b)(an-5b)
(x+5y)(x-5y)(6mn-n)(6mn+n)
(y+6z)(y-6z)(-5x-3y)(-5x+3y)
(2x+8)(2x-8)(x-4y)(x+4y)
(-3x+9)(-3x-9)(5a-3b)(5a+3b)
(6-7a)(6+7a)(0.4x+0.4)(0.4x-0.4)
(2m-n)(2m+n)+3n2(-4k+10)(-4k-10)
(4x+10)(4x-10)(5x-3y)(5x+3y)
(8+7x)(8-7x)8x2-(y+6x)(y-6x)
(9-7a)(9+7a)(0.9x+0.6)(0.9x-0.6)
(a+8)(a-8)(x+5)(x-5)(x2+25)
(ab+3)(ab-3)(a+2)(a-2)(a2+4)
(-3m-3n)(-3m+3n)(an+9b)(an-9b)
(x+3y)(x-3y)(5mn-4n)(5mn+4n)
(y+3z)(y-3z)(-5x-5y)(-5x+5y)
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