人教版八年级数学上册乘法公式综合练习题精选86.docx
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人教版八年级数学上册乘法公式综合练习题精选86.docx
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人教版八年级数学上册乘法公式综合练习题精选86
(t+6)(t-6)104×96
(3c+9)(3c-9)(-a+9)(-a-9)
(x+y)(x-y)(3+b)(3-b)
(-x+y)(-x-y)(3x+y)(-3x+y)
(c+2)(c-2)-(c-9)(c-1)(c+10)(c-10)-(4c+4)(4c-5)
(x+5)(x-5)305×295
(9c+8)(9c-8)(8a+2b)(8a-2b)
(5x+5y)(5x-5y)(4+b)(4-b)
(4x+y)(4x-y)(6+8y)(-6+8y)
(a+10)(a-10)+(a+1)(a+4)(5a+7)(5a-7)-(2a-5)(3a-4)
(x+6)(x-6)82×78
(b+4)(b-4)(8a+4b)(8a-4b)
(x+4y)(x-4y)(9a+4b)(9a-4b)
(x+y)(x-y)(3+y)(-3+y)
(a+3)(a-3)-(a-5)(a-6)(2a+3)(2a-3)+(2a+2)(4a-8)
(t+3)(t-3)73×67
(t+1)(t-1)(a+2)(a-2)
(5x+y)(5x-y)(a+b)(a-b)
(-x+4y)(-x-4y)(5x+6y)(-5x+6y)
(c+3)(c-3)+(c+6)(c+1)(s+4)(s-4)-(4s+2)(4s-8)
(c+6)(c-6)102×98
(a+1)(a-1)(-9a+7)(-9a-7)
(x+7y)(x-7y)(a+9b)(a-9b)
(x+y)(x-y)(1+7y)(-1+7y)
(c+4)(c-4)-(c+1)(c-8)(s+1)(s-1)-(2s-7)(2s+8)
(a+2)(a-2)42×38
(a+6)(a-6)(-7a+5)(-7a-5)
(x+7y)(x-7y)(3+3b)(3-3b)
(-4x+y)(-4x-y)(x+5y)(-x+5y)
(x+3)(x-3)-(x-9)(x+6)(9a+1)(9a-1)+(3a+10)(2a+10)
(t+8)(t-8)601×599
(3s+10)(3s-10)(a+4)(a-4)
(x+y)(x-y)(7+7b)(7-7b)
(-x+9y)(-x-9y)(5+y)(-5+y)
(b+1)(b-1)-(b-9)(b+5)(a+1)(a-1)+(4a-10)(4a-6)
(y+3)(y-3)43×37
(8b+3)(8b-3)(a+7b)(a-7b)
(x+6y)(x-6y)(6+2b)(6-2b)
(-x+y)(-x-y)(6+y)(-6+y)
(b+8)(b-8)+(b+6)(b-7)(x+4)(x-4)+(4x+7)(3x-1)
(a+2)(a-2)73×67
(2t+7)(2t-7)(a+b)(a-b)
(x+6y)(x-6y)(6a+4b)(6a-4b)
(x+3y)(x-3y)(10+y)(-10+y)
(c+4)(c-4)+(c+4)(c+9)(4a+6)(4a-6)+(4a+6)(3a-1)
(a+9)(a-9)403×397
(a+8)(a-8)(-4a+3b)(-4a-3b)
(x+5y)(x-5y)(1+b)(1-b)
(x+y)(x-y)(3+3y)(-3+3y)
(t+7)(t-7)-(t+1)(t+2)(y+9)(y-9)-(4y-10)(2y-4)
(b+3)(b-3)85×75
(s+9)(s-9)(a+6b)(a-6b)
(x+y)(x-y)(a+b)(a-b)
(8x+y)(8x-y)(x+7y)(-x+7y)
(c+10)(c-10)+(c+8)(c+8)(4a+6)(4a-6)-(2a-5)(3a+7)
(c+5)(c-5)95×85
(4t+10)(4t-10)(-a+9)(-a-9)
(x+y)(x-y)(10+2b)(10-2b)
(-x+y)(-x-y)(3x+4y)(-3x+4y)
(s+4)(s-4)-(s+1)(s-6)(4s+7)(4s-7)-(3s+7)(4s-1)
(y+4)(y-4)42×38
(8c+10)(8c-10)(a+b)(a-b)
(5x+y)(5x-y)(2a+b)(2a-b)
(x+y)(x-y)(x+y)(-x+y)
(c+5)(c-5)-(c+1)(c+4)(4c+6)(4c-6)+(3c+6)(2c-2)
(s+10)(s-10)63×57
(s+2)(s-2)(9a+5)(9a-5)
(2x+9y)(2x-9y)(4+9b)(4-9b)
(-x+2y)(-x-2y)(4+6y)(-4+6y)
(a+6)(a-6)-(a-1)(a+2)(5a+5)(5a-5)-(3a-5)(3a-1)
(a+5)(a-5)402×398
(3s+7)(3s-7)(-6a+b)(-6a-b)
(x+9y)(x-9y)(10+9b)(10-9b)
(3x+9y)(3x-9y)(x+y)(-x+y)
(y+4)(y-4)+(y-8)(y-3)(4y+5)(4y-5)+(4y-2)(2y-7)
(a+10)(a-10)45×35
(s+10)(s-10)(-3a+b)(-3a-b)
(x+y)(x-y)(a+3b)(a-3b)
(-7x+y)(-7x-y)(5+2y)(-5+2y)
(a+6)(a-6)+(a-3)(a-5)(y+5)(y-5)-(2y-6)(2y+5)
(c+5)(c-5)601×599
(x+5)(x-5)(9a+4b)(9a-4b)
(x+3y)(x-3y)(5a+b)(5a-b)
(5x+3y)(5x-3y)(8+5y)(-8+5y)
(c+1)(c-1)-(c-2)(c+9)(7c+10)(7c-10)-(2c-6)(3c+2)
(y+7)(y-7)75×65
(s+1)(s-1)(2a+4)(2a-4)
(6x+8y)(6x-8y)(9+8b)(9-8b)
(-x+3y)(-x-3y)(x+7y)(-x+7y)
(s+5)(s-5)-(s-6)(s-4)(7c+7)(7c-7)-(3c-3)(3c-3)
(t+2)(t-2)41×39
(y+5)(y-5)(-2a+b)(-2a-b)
(3x+y)(3x-y)(8a+6b)(8a-6b)
(-x+y)(-x-y)(x+6y)(-x+6y)
(y+10)(y-10)-(y+8)(y-2)(a+3)(a-3)-(4a+10)(3a+4)
(b+4)(b-4)94×86
(4y+2)(4y-2)(8a+8)(8a-8)
(8x+4y)(8x-4y)(4a+b)(4a-b)
(x+y)(x-y)(3x+2y)(-3x+2y)
(x+5)(x-5)-(x+1)(x+9)(4c+4)(4c-4)+(3c-3)(2c+3)
(s+4)(s-4)92×88
(4c+9)(4c-9)(-a+5)(-a-5)
(x+4y)(x-4y)(7a+b)(7a-b)
(-x+y)(-x-y)(2+6y)(-2+6y)
(s+9)(s-9)-(s+6)(s+2)(5x+7)(5x-7)+(4x+5)(4x-9)
(b+10)(b-10)32×28
(a+8)(a-8)(-a+2)(-a-2)
(x+y)(x-y)(a+b)(a-b)
(9x+7y)(9x-7y)(x+2y)(-x+2y)
(b+10)(b-10)-(b-6)(b+1)(2t+4)(2t-4)-(3t+4)(2t-10)
(y+1)(y-1)81×79
(a+3)(a-3)(-a+8)(-a-8)
(3x+3y)(3x-3y)(a+b)(a-b)
(-x+y)(-x-y)(x+y)(-x+y)
(s+7)(s-7)+(s-6)(s+9)(x+4)(x-4)-(4x+10)(2x+2)
(t+8)(t-8)102×98
(s+6)(s-6)(a+2b)(a-2b)
(x+7y)(x-7y)(7+3b)(7-3b)
(x+y)(x-y)(x+y)(-x+y)
(a+9)(a-9)+(a+3)(a-2)(10t+2)(10t-2)-(2t+10)(2t+10)
(y+3)(y-3)405×395
(5y+9)(5y-9)(a+8)(a-8)
(5x+4y)(5x-4y)(9a+b)(9a-b)
(-x+3y)(-x-3y)(2x+6y)(-2x+6y)
(s+2)(s-2)-(s-1)(s-2)(a+1)(a-1)-(3a-3)(2a-1)
(a+7)(a-7)33×27
(9c+6)(9c-6)(a+b)(a-b)
(x+y)(x-y)(6a+6b)(6a-6b)
(4x+2y)(4x-2y)(x+y)(-x+y)
(t+3)(t-3)+(t-9)(t-8)(6c+1)(6c-1)-(4c-2)(3c+9)
(b+9)(b-9)902×898
(8s+1)(8s-1)(a+b)(a-b)
(x+y)(x-y)(3+b)(3-b)
(-x+y)(-x-y)(8x+y)(-8x+y)
(t+9)(t-9)-(t+8)(t-3)(5t+7)(5t-7)-(3t-9)(3t-2)
(x+9)(x-9)31×29
(t+7)(t-7)(-8a+b)(-8a-b)
(x+y)(x-y)(3+b)(3-b)
(-5x+y)(-5x-y)(x+y)(-x+y)
(b+4)(b-4)+(b+7)(b+2)(t+10)(t-10)-(2t+10)(4t-2)
(x+4)(x-4)32×28
(9a+9)(9a-9)(a+b)(a-b)
(x+y)(x-y)(8+b)(8-b)
(x+7y)(x-7y)(7+y)(-7+y)
(t+8)(t-8)+(t+9)(t-7)(10a+2)(10a-2)-(4a+10)(4a+8)
(a+1)(a-1)802×798
(c+9)(c-9)(-2a+b)(-2a-b)
(2x+y)(2x-y)(6+8b)(6-8b)
(6x+8y)(6x-8y)(8+5y)(-8+5y)
(a+4)(a-4)-(a+6)(a-5)(y+8)(y-8)+(3y+9)(4y+8)
(x+9)(x-9)42×38
(3t+10)(3t-10)(-5a+4b)(-5a-4b)
(8x+y)(8x-y)(a+b)(a-b)
(-x+7y)(-x-7y)(1+2y)(-1+2y)
(x+6)(x-6)+(x+9)(x-3)(9s+5)(9s-5)+(2s+6)(3s-5)
(s+2)(s-2)504×496
(9s+9)(9s-9)(-3a+5b)(-3a-5b)
(8x+5y)(8x-5y)(a+b)(a-b)
(-x+4y)(-x-4y)(x+y)(-x+y)
(x+3)(x-3)-(x+9)(x-4)(x+5)(x-5)-(3x+1)(3x-4)
(a+1)(a-1)35×25
(b+5)(b-5)(-a+7)(-a-7)
(5x+y)(5x-y)(a+4b)(a-4b)
(x+y)(x-y)(x+7y)(-x+7y)
(t+6)(t-6)-(t+1)(t-1)(7a+5)(7a-5)+(4a-5)(4a+4)
(x+6)(x-6)601×599
(y+2)(y-2)(-a+3)(-a-3)
(x+5y)(x-5y)(8+4b)(8-4b)
(7x+6y)(7x-6y)(7+y)(-7+y)
(t+5)(t-5)-(t-6)(t+6)(b+1)(b-1)+(2b-9)(4b-6)
(s+6)(s-6)901×899
(t+4)(t-4)(-a+b)(-a-b)
(x+3y)(x-3y)(a+b)(a-b)
(6x+y)(6x-y)(x+3y)(-x+3y)
(c+5)(c-5)+(c+8)(c-2)(3a+5)(3a-5)+(2a+7)(2a+8)
(c+2)(c-2)305×295
(x+7)(x-7)(a+8b)(a-8b)
(x+y)(x-y)(a+b)(a-b)
(-x+3y)(-x-3y)(3x+y)(-3x+y)
(a+9)(a-9)+(a-8)(a-4)(s+1)(s-1)+(2s-7)(3s+7)
(a+10)(a-10)42×38
(t+9)(t-9)(a+b)(a-b)
(5x+2y)(5x-2y)(1+2b)(1-2b)
(-x+y)(-x-y)(10+y)(-10+y)
(x+1)(x-1)-(x+9)(x+5)(4s+4)(4s-4)-(2s-6)(3s+6)
(b+6)(b-6)65×55
(7b+6)(7b-6)(a+1)(a-1)
(x+y)(x-y)(8+b)(8-b)
(9x+y)(9x-y)(6+y)(-6+y)
(t+6)(t-6)-(t+9)(t-2)(t+8)(t-8)-(4t-1)(3t+1)
(s+5)(s-5)35×25
(5b+7)(5b-7)(8a+9b)(8a-9b)
(x+7y)(x-7y)(3a+6b)(3a-6b)
(9x+y)(9x-y)(7x+7y)(-7x+7y)
(t+10)(t-10)+(t-6)(t+4)(3t+7)(3t-7)-(2t-10)(3t+1)
(c+9)(c-9)45×35
(6t+5)(6t-5)(4a+8)(4a-8)
(x+6y)(x-6y)(8+b)(8-b)
(-x+8y)(-x-8y)(9+y)(-9+y)
(y+4)(y-4)+(y+2)(y+8)(x+6)(x-6)-(3x-2)(4x-6)
(c+8)(c-8)902×898
(a+8)(a-8)(8a+8b)(8a-8b)
(x+y)(x-y)(a+4b)(a-4b)
(x+3y)(x-3y)(7+y)(-7+y)
(b+7)(b-7)-(b-9)(b-8)(5y+7)(5y-7)+(3y+9)(3y-7)
(a+1)(a-1)902×898
(y+3)(y-3)(-a+b)(-a-b)
(4x+y)(4x-y)(8+9b)(8-9b)
(x+y)(x-y)(3x+y)(-3x+y)
(t+1)(t-1)-(t+4)(t-1)(t+8)(t-8)+(3t-5)(3t-8)
(b+7)(b-7)901×899
(b+1)(b-1)(-a+7)(-a-7)
(4x+7y)(4x-7y)(2a+5b)(2a-5b)
(-x+y)(-x-y)(5+5y)(-5+5y)
(b+7)(b-7)-(b+2)(b+5)(9c+10)(9c-10)+(2c+7)(4c-5)
(a+7)(a-7)305×295
(2x+8)(2x-8)(-6a+3)(-6a-3)
(x+y)(x-y)(5+4b)(5-4b)
(-x+y)(-x-y)(1+2y)(-1+2y)
(t+9)(t-9)-(t-1)(t-1)(a+10)(a-10)-(2a+6)(3a-4)
(x+4)(x-4)505×495
(b+2)(b-2)(a+2b)(a-2b)
(x+5y)(x-5y)(a+7b)(a-7b)
(x+7y)(x-7y)(5+2y)(-5+2y)
(t+7)(t-7)-(t+5)(t-3)(3b+10)(3b-10)+(2b-4)(2b+2)
(y+9)(y-9)84×76
(c+9)(c-9)(4a+5)(4a-5)
(x+5y)(x-5y)(2+b)(2-b)
(-9x+y)(-9x-y)(8+y)(-8+y)
(c+1)(c-1)-(c+4)(c+9)(5s+8)(5s-8)-(4s+10)(3s+7)
(a+8)(a-8)65×55
(3x+10)(3x-10)(4a+2)(4a-2)
(4x+y)(4x-y)(a+6b)(a-6b)
(-x+2y)(-x-2y)(6+6y)(-6+6y)
(c+5)(c-5)+(c-3)(c+8)(5y+1)(5y-1)+(3y+5)(3y+8)
(s+1)(s-1)82×78
(s+5)(s-5)(7a+b)(7a-b)
(x+y)(x-y)(3+2b)(3-2b)
(x+9y)(x-9y)(7x+6y)(-7x+6y)
(s+5)(s-5)+(s-7)(s+5)(6t+2)(6t-2)+(2t-7)(2t-5)
(a+9)(a-9)55×45
(4s+6)(4s-6)(-a+b)(-a-b)
(x+y)(x-y)(2+b)(2-b)
(6x+y)(6x-y)(4x+2y)(-4x+2y)
(a+1)(a-1)-(a+2)(a+1)(4b+1)(4b-1)+(4b-7)(2b-9)
(b+5)(b-5)91×89
(x+8)(x-8)(a+1)(a-1)
(x+4y)(x-4y)(1+2b)(1-2b)
(6x+5y)(6x-5y)(8+y)(-8+y)
(b+3)(b-3)+(b+3)(b+4)(2s+1)(2s-1)+(2s+8)(3s+2)
(c+6)(c-6)43×37
(y+3)(y-3)(-8a+b)(-8a-b)
(6x+4y)(6x-4y)(6+8b)(6-8b)
(8x+2y)(8x-2y)(x+4y)(-x+4y)
(t+3)(t-3)-(t+4)(t-4)(t+2)(t-2)-(3t-4)(3t-1)
(t+9)(t-9)33×27
(c+9)(c-9)(-a+4b)(-a-4b)
(x+y)(x-y)(3+b)(3-b)
(6x+y)(6x-y)(x+4y)(-x+4y)
(c+4)(c-4)+(c+1)(c+8)(x+10)(x-10)+(2x+5)(3x-2)
(b+3)(b-3)604×596
(t+7)(t-7)(-a+4)(-a-4)
(8x+3y)(8x-3y)(2a+b)(2a-b)
(7x+3y)(7x-3y)(3+3y)(-3+3y)
(c+6)(c-6)-(c-8)(c-2)(5s+9)(5s-9)-(2s-4)(3s-8)
(y+7)(y-7)62×58
(c+1)(c-1)(-a+6)(-a-6)
(7x+3y)(7x-3y)(4a+7b)(4a-7b)
(-x+8y)(-x-8y)(2+y)(-2+y)
(s+2)(s-2)-(s-2)(s+2)(b+10)(b-10)+(4b-4)(2b-9)
(y+2)(y-2)61×59
(b+9)(b-9)(2a+b)(2a-b)
(x+3y)(x-3y)(7+b)(7-b)
(2x+5y)(2x-5y)(2x+y)(-2x+y)
(x+6)(x-6)+(x-8)(x-3)(x+7)(x-7)+(4x-6)(2x+2)
(a+3)(a-3)704×696
(3a+1)(3a-1)(-4a+b)(-4a-b)
(x+7y)(x-7y)(4a+8b)(4a-8b)
(-x+2y)(-x-2y)(8+y)(-8+y)
(a+5)(a-5)+(a-5)(a+6)(9y+9)(9y-9)+(4y-9)(3y-10)
(c+5)(c-5)704×696
(t+8)(t-8)(-a+b)(-a-b)
(9x+2y)(9x-2y)(8a+7b)(8a-7b)
(2x+4y)(2x-4y)(x+4y)(-x+4y)
(s+8)(s-8)-(s+6)(s-6)(s+9)(s-9)-(4s-3)(3s-2)
(x+3)(x-3)304×296
(c+6)(c-6)(-9a+1)(-9a-1)
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