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