初一数学下册平方差公式专项练习 54.docx
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初一数学下册平方差公式专项练习 54.docx
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初一数学下册平方差公式专项练习54
(6x+6)(6x-6)(7x-2y)(7x+2y)
(-x+9)(-x-9)(4a-3b)(4a+3b)
(10-6a)(10+6a)(0.5x+0.9)(0.5x-0.9)
(4m-2n)(4m+2n)-6n2(-4k+2)(-4k-2)
(5x+7)(5x-7)(5x-8y)(5x+8y)
(4+8x)(4-8x)6x2-(y+5x)(y-5x)
(10-8a)(10+8a)(0.7x+0.8)(0.7x-0.8)
(a+5)(a-5)(x+8)(x-8)(x2+64)
(ab+5)(ab-5)(a+8)(a-8)(a2+64)
(-m-3n)(-m+3n)(an+4b)(an-4b)
(x+4y)(x-4y)(mn-2n)(mn+2n)
(y+6z)(y-6z)(-2x-5y)(-2x+5y)
(7x+10)(7x-10)(6x-8y)(6x+8y)
(-3x+2)(-3x-2)(a-5b)(a+5b)
(8-6a)(8+6a)(0.2x+0.8)(0.2x-0.8)
(2m-4n)(2m+4n)+2n2(-6k+2)(-6k-2)
(9x+4)(9x-4)(3x-y)(3x+y)
(8+2x)(8-2x)4x2+(y+2x)(y-2x)
(2-4a)(2+4a)(0.8x+0.4)(0.8x-0.4)
(a+8)(a-8)(x+4)(x-4)(x2+16)
(ab+7)(ab-7)(a+9)(a-9)(a2+81)
(-7m-4n)(-7m+4n)(an+4b)(an-4b)
(x+8y)(x-8y)(4mn-5n)(4mn+5n)
(y+4z)(y-4z)(-7x-4y)(-7x+4y)
(8x+9)(8x-9)(7x-7y)(7x+7y)
(-5x+10)(-5x-10)(3a-4b)(3a+4b)
(1-9a)(1+9a)(0.8x+0.9)(0.8x-0.9)
(m-3n)(m+3n)-7n2(-2k+4)(-2k-4)
(3x+4)(3x-4)(8x-7y)(8x+7y)
(9+4x)(9-4x)8x2-(y+4x)(y-4x)
(6-4a)(6+4a)(0.9x+0.2)(0.9x-0.2)
(a+3)(a-3)(x+2)(x-2)(x2+4)
(ab+3)(ab-3)(a+3)(a-3)(a2+9)
(-3m-4n)(-3m+4n)(an+3b)(an-3b)
(x+3y)(x-3y)(9mn-2n)(9mn+2n)
(y+9z)(y-9z)(-x-2y)(-x+2y)
(3x+9)(3x-9)(5x-y)(5x+y)
(-6x+10)(-6x-10)(6a-3b)(6a+3b)
(6-4a)(6+4a)(0.1x+0.7)(0.1x-0.7)
(3m-2n)(3m+2n)+5n2(-2k+3)(-2k-3)
(x+1)(x-1)(7x-4y)(7x+4y)
(2+9x)(2-9x)4x2+(y+6x)(y-6x)
(9-3a)(9+3a)(0.3x+0.9)(0.3x-0.9)
(a+10)(a-10)(x+5)(x-5)(x2+25)
(ab+1)(ab-1)(a+3)(a-3)(a2+9)
(-3m-3n)(-3m+3n)(an+8b)(an-8b)
(x+4y)(x-4y)(4mn-n)(4mn+n)
(y+5z)(y-5z)(-x-y)(-x+y)
(x+6)(x-6)(3x-y)(3x+y)
(-9x+4)(-9x-4)(9a-b)(9a+b)
(4-a)(4+a)(0.3x+0.7)(0.3x-0.7)
(m-3n)(m+3n)+4n2(-2k+3)(-2k-3)
(7x+5)(7x-5)(4x-7y)(4x+7y)
(3+5x)(3-5x)3x2+(y+2x)(y-2x)
(1-a)(1+a)(0.5x+0.1)(0.5x-0.1)
(a+4)(a-4)(x+5)(x-5)(x2+25)
(ab+4)(ab-4)(a+3)(a-3)(a2+9)
(-5m-n)(-5m+n)(an+7b)(an-7b)
(x+9y)(x-9y)(3mn-n)(3mn+n)
(y+7z)(y-7z)(-3x-2y)(-3x+2y)
(4x+4)(4x-4)(7x-7y)(7x+7y)
(-2x+6)(-2x-6)(2a-4b)(2a+4b)
(3-3a)(3+3a)(0.7x+0.1)(0.7x-0.1)
(8m-2n)(8m+2n)-4n2(-6k+4)(-6k-4)
(3x+10)(3x-10)(8x-2y)(8x+2y)
(10+6x)(10-6x)4x2-(y+3x)(y-3x)
(6-4a)(6+4a)(0.2x+0.2)(0.2x-0.2)
(a+2)(a-2)(x+8)(x-8)(x2+64)
(ab+3)(ab-3)(a+3)(a-3)(a2+9)
(-3m-n)(-3m+n)(an+2b)(an-2b)
(x+9y)(x-9y)(mn-n)(mn+n)
(y+5z)(y-5z)(-7x-3y)(-7x+3y)
(5x+2)(5x-2)(4x-3y)(4x+3y)
(-x+7)(-x-7)(8a-5b)(8a+5b)
(9-3a)(9+3a)(0.8x+0.9)(0.8x-0.9)
(2m-n)(2m+n)+9n2(-9k+2)(-9k-2)
(6x+9)(6x-9)(2x-4y)(2x+4y)
(4+5x)(4-5x)3x2+(y+2x)(y-2x)
(4-7a)(4+7a)(0.7x+1)(0.7x-1)
(a+10)(a-10)(x+7)(x-7)(x2+49)
(ab+10)(ab-10)(a+4)(a-4)(a2+16)
(-m-3n)(-m+3n)(an+2b)(an-2b)
(x+6y)(x-6y)(4mn-3n)(4mn+3n)
(y+3z)(y-3z)(-2x-4y)(-2x+4y)
(4x+2)(4x-2)(9x-6y)(9x+6y)
(-5x+2)(-5x-2)(7a-2b)(7a+2b)
(1-5a)(1+5a)(0.7x+0.9)(0.7x-0.9)
(8m-n)(8m+n)+3n2(-7k+3)(-7k-3)
(5x+8)(5x-8)(9x-9y)(9x+9y)
(7+x)(7-x)4x2+(y+3x)(y-3x)
(2-3a)(2+3a)(0.4x+0.4)(0.4x-0.4)
(a+3)(a-3)(x+3)(x-3)(x2+9)
(ab+9)(ab-9)(a+7)(a-7)(a2+49)
(-7m-2n)(-7m+2n)(an+4b)(an-4b)
(x+8y)(x-8y)(mn-2n)(mn+2n)
(y+7z)(y-7z)(-6x-4y)(-6x+4y)
(7x+9)(7x-9)(7x-7y)(7x+7y)
(-8x+10)(-8x-10)(7a-3b)(7a+3b)
(10-5a)(10+5a)(0.5x+0.1)(0.5x-0.1)
(5m-3n)(5m+3n)+5n2(-7k+3)(-7k-3)
(4x+1)(4x-1)(7x-4y)(7x+4y)
(9+8x)(9-8x)3x2+(y+2x)(y-2x)
(2-4a)(2+4a)(0.6x+0.2)(0.6x-0.2)
(a+6)(a-6)(x+6)(x-6)(x2+36)
(ab+9)(ab-9)(a+4)(a-4)(a2+16)
(-5m-4n)(-5m+4n)(an+7b)(an-7b)
(x+9y)(x-9y)(6mn-2n)(6mn+2n)
(y+4z)(y-4z)(-6x-4y)(-6x+4y)
(7x+1)(7x-1)(7x-3y)(7x+3y)
(-6x+2)(-6x-2)(9a-2b)(9a+2b)
(9-5a)(9+5a)(0.3x+0.2)(0.3x-0.2)
(5m-5n)(5m+5n)-3n2(-3k+6)(-3k-6)
(7x+4)(7x-4)(9x-2y)(9x+2y)
(10+10x)(10-10x)4x2-(y+3x)(y-3x)
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