初一数学下册平方差公式专项练习 58.docx
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初一数学下册平方差公式专项练习58
(5x+9)(5x-9)(7x-5y)(7x+5y)
(-4x+2)(-4x-2)(a-2b)(a+2b)
(8-6a)(8+6a)(0.5x+0.5)(0.5x-0.5)
(8m-2n)(8m+2n)-3n2(-k+9)(-k-9)
(9x+2)(9x-2)(6x-4y)(6x+4y)
(10+x)(10-x)3x2-(y+4x)(y-4x)
(1-4a)(1+4a)(0.4x+0.7)(0.4x-0.7)
(a+1)(a-1)(x+2)(x-2)(x2+4)
(ab+9)(ab-9)(a+4)(a-4)(a2+16)
(-7m-4n)(-7m+4n)(an+3b)(an-3b)
(x+4y)(x-4y)(6mn-5n)(6mn+5n)
(y+5z)(y-5z)(-7x-4y)(-7x+4y)
(2x+2)(2x-2)(4x-5y)(4x+5y)
(-3x+5)(-3x-5)(8a-5b)(8a+5b)
(10-2a)(10+2a)(0.9x+0.3)(0.9x-0.3)
(7m-4n)(7m+4n)+7n2(-4k+4)(-4k-4)
(8x+7)(8x-7)(9x-3y)(9x+3y)
(8+6x)(8-6x)6x2+(y+6x)(y-6x)
(4-8a)(4+8a)(0.1x+0.7)(0.1x-0.7)
(a+2)(a-2)(x+3)(x-3)(x2+9)
(ab+8)(ab-8)(a+6)(a-6)(a2+36)
(-4m-5n)(-4m+5n)(an+2b)(an-2b)
(x+3y)(x-3y)(8mn-4n)(8mn+4n)
(y+4z)(y-4z)(-8x-5y)(-8x+5y)
(3x+8)(3x-8)(8x-9y)(8x+9y)
(-6x+9)(-6x-9)(2a-2b)(2a+2b)
(1-4a)(1+4a)(0.5x+0.6)(0.5x-0.6)
(9m-2n)(9m+2n)-2n2(-8k+9)(-8k-9)
(7x+3)(7x-3)(7x-2y)(7x+2y)
(8+5x)(8-5x)2x2+(y+5x)(y-5x)
(2-7a)(2+7a)(0.3x+0.8)(0.3x-0.8)
(a+6)(a-6)(x+4)(x-4)(x2+16)
(ab+4)(ab-4)(a+9)(a-9)(a2+81)
(-3m-2n)(-3m+2n)(an+5b)(an-5b)
(x+7y)(x-7y)(mn-5n)(mn+5n)
(y+3z)(y-3z)(-9x-4y)(-9x+4y)
(7x+1)(7x-1)(4x-4y)(4x+4y)
(-6x+3)(-6x-3)(5a-2b)(5a+2b)
(1-2a)(1+2a)(0.9x+0.8)(0.9x-0.8)
(9m-4n)(9m+4n)+6n2(-4k+4)(-4k-4)
(3x+1)(3x-1)(9x-y)(9x+y)
(3+8x)(3-8x)5x2+(y+3x)(y-3x)
(7-8a)(7+8a)(0.7x+0.5)(0.7x-0.5)
(a+6)(a-6)(x+3)(x-3)(x2+9)
(ab+8)(ab-8)(a+2)(a-2)(a2+4)
(-9m-n)(-9m+n)(an+4b)(an-4b)
(x+2y)(x-2y)(3mn-4n)(3mn+4n)
(y+6z)(y-6z)(-5x-5y)(-5x+5y)
(x+4)(x-4)(4x-5y)(4x+5y)
(-5x+2)(-5x-2)(6a-2b)(6a+2b)
(7-3a)(7+3a)(0.8x+0.9)(0.8x-0.9)
(7m-2n)(7m+2n)-4n2(-8k+10)(-8k-10)
(x+6)(x-6)(5x-9y)(5x+9y)
(2+3x)(2-3x)9x2+(y+4x)(y-4x)
(3-9a)(3+9a)(0.5x+0.4)(0.5x-0.4)
(a+7)(a-7)(x+6)(x-6)(x2+36)
(ab+1)(ab-1)(a+3)(a-3)(a2+9)
(-m-3n)(-m+3n)(an+4b)(an-4b)
(x+6y)(x-6y)(6mn-n)(6mn+n)
(y+2z)(y-2z)(-4x-y)(-4x+y)
(9x+3)(9x-3)(x-3y)(x+3y)
(-6x+7)(-6x-7)(3a-b)(3a+b)
(5-a)(5+a)(0.7x+0.1)(0.7x-0.1)
(m-4n)(m+4n)+9n2(-5k+9)(-5k-9)
(4x+3)(4x-3)(7x-3y)(7x+3y)
(7+9x)(7-9x)2x2-(y+3x)(y-3x)
(8-8a)(8+8a)(0.9x+1)(0.9x-1)
(a+8)(a-8)(x+4)(x-4)(x2+16)
(ab+6)(ab-6)(a+8)(a-8)(a2+64)
(-9m-n)(-9m+n)(an+6b)(an-6b)
(x+2y)(x-2y)(6mn-3n)(6mn+3n)
(y+7z)(y-7z)(-3x-4y)(-3x+4y)
(8x+6)(8x-6)(6x-7y)(6x+7y)
(-6x+4)(-6x-4)(6a-3b)(6a+3b)
(7-4a)(7+4a)(0.5x+0.1)(0.5x-0.1)
(m-2n)(m+2n)-4n2(-6k+2)(-6k-2)
(3x+3)(3x-3)(5x-6y)(5x+6y)
(5+x)(5-x)6x2-(y+4x)(y-4x)
(8-3a)(8+3a)(0.1x+1)(0.1x-1)
(a+2)(a-2)(x+3)(x-3)(x2+9)
(ab+7)(ab-7)(a+2)(a-2)(a2+4)
(-2m-5n)(-2m+5n)(an+8b)(an-8b)
(x+7y)(x-7y)(mn-n)(mn+n)
(y+4z)(y-4z)(-4x-2y)(-4x+2y)
(9x+2)(9x-2)(6x-4y)(6x+4y)
(-5x+8)(-5x-8)(a-3b)(a+3b)
(6-2a)(6+2a)(0.6x+0.6)(0.6x-0.6)
(5m-3n)(5m+3n)+4n2(-9k+4)(-9k-4)
(7x+2)(7x-2)(4x-5y)(4x+5y)
(10+x)(10-x)5x2-(y+2x)(y-2x)
(8-3a)(8+3a)(0.9x+0.5)(0.9x-0.5)
(a+2)(a-2)(x+3)(x-3)(x2+9)
(ab+5)(ab-5)(a+5)(a-5)(a2+25)
(-6m-3n)(-6m+3n)(an+3b)(an-3b)
(x+9y)(x-9y)(9mn-2n)(9mn+2n)
(y+4z)(y-4z)(-8x-5y)(-8x+5y)
(3x+10)(3x-10)(9x-7y)(9x+7y)
(-x+2)(-x-2)(7a-5b)(7a+5b)
(6-a)(6+a)(0.8x+1)(0.8x-1)
(6m-3n)(6m+3n)-2n2(-2k+9)(-2k-9)
(6x+7)(6x-7)(9x-4y)(9x+4y)
(2+8x)(2-8x)4x2-(y+3x)(y-3x)
(4-9a)(4+9a)(0.2x+0.7)(0.2x-0.7)
(a+7)(a-7)(x+2)(x-2)(x2+4)
(ab+3)(ab-3)(a+4)(a-4)(a2+16)
(-m-n)(-m+n)(an+5b)(an-5b)
(x+6y)(x-6y)(mn-4n)(mn+4n)
(y+2z)(y-2z)(-7x-y)(-7x+y)
(9x+2)(9x-2)(9x-5y)(9x+5y)
(-7x+8)(-7x-8)(a-5b)(a+5b)
(6-2a)(6+2a)(0.5x+0.8)(0.5x-0.8)
(m-4n)(m+4n)-6n2(-7k+4)(-7k-4)
(7x+10)(7x-10)(4x-7y)(4x+7y)
(8+3x)(8-3x)7x2-(y+3x)(y-3x)