人教版八年级数学上册乘法公式综合练习题精选67.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67.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67
(s+8)(s-8)32×28
(5s+1)(5s-1)(-7a+3)(-7a-3)
(3x+9y)(3x-9y)(a+b)(a-b)
(-x+8y)(-x-8y)(9+3y)(-9+3y)
(c+10)(c-10)-(c-8)(c-3)(b+7)(b-7)-(2b+6)(2b+4)
(s+3)(s-3)91×89
(2s+7)(2s-7)(-a+9)(-a-9)
(x+y)(x-y)(7a+6b)(7a-6b)
(-4x+9y)(-4x-9y)(6x+y)(-6x+y)
(s+4)(s-4)+(s-6)(s+1)(8y+6)(8y-6)-(2y+1)(4y+6)
(c+9)(c-9)103×97
(2c+6)(2c-6)(a+3b)(a-3b)
(x+5y)(x-5y)(4+b)(4-b)
(x+8y)(x-8y)(3+y)(-3+y)
(s+10)(s-10)+(s+2)(s-4)(4t+8)(4t-8)-(4t-5)(4t-7)
(c+9)(c-9)402×398
(y+1)(y-1)(-a+8)(-a-8)
(7x+6y)(7x-6y)(5+b)(5-b)
(-x+2y)(-x-2y)(x+y)(-x+y)
(x+6)(x-6)+(x-6)(x+4)(a+1)(a-1)+(3a-4)(2a-5)
(x+4)(x-4)302×298
(7c+6)(7c-6)(2a+b)(2a-b)
(x+6y)(x-6y)(9a+7b)(9a-7b)
(-x+8y)(-x-8y)(4+8y)(-4+8y)
(b+3)(b-3)+(b-1)(b+3)(a+3)(a-3)+(4a-1)(4a-3)
(t+5)(t-5)204×196
(s+4)(s-4)(a+4b)(a-4b)
(3x+6y)(3x-6y)(5+6b)(5-6b)
(x+y)(x-y)(x+y)(-x+y)
(x+8)(x-8)+(x+7)(x-9)(t+6)(t-6)-(4t-10)(4t+9)
(b+5)(b-5)43×37
(c+10)(c-10)(5a+b)(5a-b)
(x+7y)(x-7y)(a+b)(a-b)
(9x+y)(9x-y)(6x+y)(-6x+y)
(x+10)(x-10)-(x+8)(x+9)(6t+5)(6t-5)+(3t-5)(4t-10)
(c+8)(c-8)53×47
(2x+9)(2x-9)(-6a+b)(-6a-b)
(x+2y)(x-2y)(9a+b)(9a-b)
(x+8y)(x-8y)(9+y)(-9+y)
(s+9)(s-9)+(s+2)(s+6)(s+6)(s-6)+(2s-6)(2s+9)
(s+6)(s-6)103×97
(2x+9)(2x-9)(-3a+b)(-3a-b)
(6x+y)(6x-y)(7+b)(7-b)
(-9x+y)(-9x-y)(8+9y)(-8+9y)
(a+1)(a-1)+(a-7)(a+3)(a+7)(a-7)-(3a+8)(2a+7)
(a+7)(a-7)82×78
(s+4)(s-4)(a+4)(a-4)
(x+y)(x-y)(4a+b)(4a-b)
(9x+4y)(9x-4y)(3+3y)(-3+3y)
(b+9)(b-9)-(b+5)(b-6)(b+1)(b-1)+(2b-9)(2b+8)
(y+8)(y-8)803×797
(5c+4)(5c-4)(-5a+8)(-5a-8)
(x+5y)(x-5y)(3a+4b)(3a-4b)
(-x+y)(-x-y)(5+y)(-5+y)
(y+3)(y-3)+(y-5)(y+4)(s+1)(s-1)-(3s+3)(4s+2)
(y+9)(y-9)75×65
(t+5)(t-5)(-a+5)(-a-5)
(x+y)(x-y)(2a+8b)(2a-8b)
(5x+2y)(5x-2y)(x+y)(-x+y)
(a+6)(a-6)+(a+2)(a+3)(y+6)(y-6)-(3y-2)(2y-1)
(x+10)(x-10)63×57
(t+8)(t-8)(3a+4)(3a-4)
(x+y)(x-y)(5a+b)(5a-b)
(x+6y)(x-6y)(2+y)(-2+y)
(b+10)(b-10)+(b+1)(b-9)(b+7)(b-7)-(3b+3)(2b+1)
(a+9)(a-9)103×97
(b+1)(b-1)(4a+b)(4a-b)
(x+y)(x-y)(1+3b)(1-3b)
(4x+y)(4x-y)(2x+9y)(-2x+9y)
(a+9)(a-9)+(a-6)(a+6)(y+10)(y-10)-(4y+5)(4y+1)
(y+4)(y-4)603×597
(c+9)(c-9)(3a+1)(3a-1)
(x+2y)(x-2y)(8+b)(8-b)
(-x+7y)(-x-7y)(3+y)(-3+y)
(a+6)(a-6)+(a-7)(a-9)(9c+5)(9c-5)+(4c-1)(4c+7)
(c+5)(c-5)901×899
(a+5)(a-5)(a+4b)(a-4b)
(x+y)(x-y)(3+4b)(3-4b)
(-x+9y)(-x-9y)(3+7y)(-3+7y)
(s+3)(s-3)+(s-8)(s+2)(a+4)(a-4)+(3a+7)(3a-9)
(s+5)(s-5)601×599
(3x+9)(3x-9)(-2a+b)(-2a-b)
(x+y)(x-y)(9+b)(9-b)
(-x+y)(-x-y)(x+8y)(-x+8y)
(c+8)(c-8)-(c+6)(c+6)(a+5)(a-5)-(3a-6)(4a+9)
(c+2)(c-2)75×65
(9s+5)(9s-5)(a+9)(a-9)
(x+2y)(x-2y)(1+b)(1-b)
(-7x+9y)(-7x-9y)(x+7y)(-x+7y)
(y+3)(y-3)+(y-4)(y-1)(3b+8)(3b-8)+(3b+10)(4b-7)
(a+10)(a-10)62×58
(x+9)(x-9)(a+5b)(a-5b)
(x+6y)(x-6y)(7+4b)(7-4b)
(x+y)(x-y)(4x+2y)(-4x+2y)
(c+7)(c-7)-(c-3)(c-8)(c+3)(c-3)+(4c+8)(2c+10)
(b+2)(b-2)93×87
(8c+3)(8c-3)(-a+1)(-a-1)
(2x+y)(2x-y)(1+3b)(1-3b)
(-2x+8y)(-2x-8y)(4x+4y)(-4x+4y)
(y+10)(y-10)-(y+9)(y+4)(y+2)(y-2)+(3y+6)(4y-7)
(t+5)(t-5)83×77
(x+10)(x-10)(-a+b)(-a-b)
(8x+y)(8x-y)(2a+2b)(2a-2b)
(-9x+y)(-9x-y)(x+5y)(-x+5y)
(s+5)(s-5)+(s+1)(s-2)(7y+4)(7y-4)-(4y-2)(2y+6)
(t+9)(t-9)103×97
(2c+9)(2c-9)(-a+4)(-a-4)
(x+3y)(x-3y)(2+b)(2-b)
(6x+y)(6x-y)(x+5y)(-x+5y)
(t+2)(t-2)-(t+9)(t+3)(s+3)(s-3)+(2s-6)(4s-10)
(x+10)(x-10)301×299
(4b+9)(4b-9)(5a+4)(5a-4)
(x+y)(x-y)(a+5b)(a-5b)
(x+y)(x-y)(7+y)(-7+y)
(s+1)(s-1)-(s-7)(s+1)(2x+9)(2x-9)+(4x+4)(3x-7)
(x+9)(x-9)102×98
(c+7)(c-7)(-2a+5)(-2a-5)
(7x+5y)(7x-5y)(1+6b)(1-6b)
(-x+y)(-x-y)(8+y)(-8+y)
(t+8)(t-8)-(t-5)(t-8)(4y+5)(4y-5)-(2y-8)(2y+7)
(x+6)(x-6)51×49
(b+3)(b-3)(-a+5)(-a-5)
(x+y)(x-y)(a+b)(a-b)
(x+7y)(x-7y)(8x+8y)(-8x+8y)
(s+10)(s-10)+(s+9)(s-5)(7c+6)(7c-6)+(3c+2)(2c-2)
(y+2)(y-2)62×58
(5s+7)(5s-7)(5a+7)(5a-7)
(x+4y)(x-4y)(a+b)(a-b)
(7x+7y)(7x-7y)(1+9y)(-1+9y)
(s+7)(s-7)-(s+3)(s+9)(x+5)(x-5)-(4x+9)(2x+1)
(x+9)(x-9)901×899
(s+4)(s-4)(-a+5)(-a-5)
(x+8y)(x-8y)(4a+b)(4a-b)
(-5x+8y)(-5x-8y)(x+y)(-x+y)
(t+8)(t-8)-(t+5)(t-3)(s+1)(s-1)-(4s+3)(2s+10)
(s+2)(s-2)92×88
(7s+2)(7s-2)(-a+b)(-a-b)
(7x+y)(7x-y)(a+8b)(a-8b)
(x+y)(x-y)(3x+7y)(-3x+7y)
(x+5)(x-5)+(x-7)(x-3)(2x+2)(2x-2)+(3x-1)(3x-9)
(y+7)(y-7)801×799
(b+3)(b-3)(-a+8)(-a-8)
(9x+6y)(9x-6y)(5a+4b)(5a-4b)
(-x+y)(-x-y)(8+9y)(-8+9y)
(t+1)(t-1)-(t+5)(t+3)(a+4)(a-4)+(3a+7)(3a-9)
(a+4)(a-4)301×299
(y+7)(y-7)(-a+4)(-a-4)
(3x+y)(3x-y)(6+b)(6-b)
(-4x+5y)(-4x-5y)(x+3y)(-x+3y)
(t+1)(t-1)-(t+4)(t+7)(y+8)(y-8)-(4y-2)(4y+7)
(s+4)(s-4)205×195
(s+1)(s-1)(-a+1)(-a-1)
(x+y)(x-y)(a+6b)(a-6b)
(-6x+y)(-6x-y)(2x+9y)(-2x+9y)
(b+9)(b-9)+(b-9)(b+7)(s+1)(s-1)-(2s+10)(2s-4)
(y+9)(y-9)805×795
(x+4)(x-4)(-2a+8)(-2a-8)
(8x+3y)(8x-3y)(6a+2b)(6a-2b)
(-x+y)(-x-y)(6+4y)(-6+4y)
(b+9)(b-9)+(b-2)(b+3)(b+10)(b-10)+(3b+8)(3b-8)
(t+2)(t-2)72×68
(c+5)(c-5)(7a+8)(7a-8)
(7x+8y)(7x-8y)(9+b)(9-b)
(-9x+3y)(-9x-3y)(x+y)(-x+y)
(c+2)(c-2)-(c-2)(c+1)(2y+3)(2y-3)-(3y-1)(3y+1)
(x+8)(x-8)403×397
(c+5)(c-5)(-a+8)(-a-8)
(8x+5y)(8x-5y)(a+b)(a-b)
(x+7y)(x-7y)(5x+5y)(-5x+5y)
(s+5)(s-5)-(s+9)(s-9)(b+6)(b-6)+(3b+3)(4b-5)
(x+8)(x-8)31×29
(3c+1)(3c-1)(-2a+b)(-2a-b)
(7x+y)(7x-y)(5+b)(5-b)
(x+8y)(x-8y)(3+y)(-3+y)
(b+8)(b-8)-(b+6)(b-1)(6t+10)(6t-10)-(2t+4)(3t+2)
(y+2)(y-2)65×55
(x+5)(x-5)(a+8b)(a-8b)
(2x+y)(2x-y)(4+9b)(4-9b)
(-6x+y)(-6x-y)(10+3y)(-10+3y)
(b+5)(b-5)+(b+9)(b-9)(s+2)(s-2)+(2s-8)(2s-6)
(c+4)(c-4)62×58
(9a+6)(9a-6)(2a+b)(2a-b)
(8x+y)(8x-y)(1+b)(1-b)
(-8x+y)(-8x-y)(8+y)(-8+y)
(y+8)(y-8)+(y-3)(y+8)(4c+4)(4c-4)+(4c+9)(4c-7)
(t+10)(t-10)901×899
(b+10)(b-10)(a+8)(a-8)
(x+y)(x-y)(a+b)(a-b)
(2x+8y)(2x-8y)(x+6y)(-x+6y)
(y+10)(y-10)-(y-3)(y+9)(2t+3)(2t-3)+(4t+10)(3t+6)
(b+2)(b-2)603×597
(c+8)(c-8)(9a+b)(9a-b)
(x+9y)(x-9y)(a+b)(a-b)
(5x+6y)(5x-6y)(x+3y)(-x+3y)
(b+2)(b-2)-(b-7)(b-3)(6a+5)(6a-5)+(3a+4)(3a-10)
(s+5)(s-5)33×27
(5s+7)(5s-7)(a+7)(a-7)
(x+y)(x-y)(6+b)(6-b)
(x+y)(x-y)(2x+9y)(-2x+9y)
(a+10)(a-10)-(a-9)(a+6)(s+7)(s-7)+(3s+7)(4s-7)
(c+1)(c-1)104×96
(8x+4)(8x-4)(a+b)(a-b)
(6x+9y)(6x-9y)(4+3b)(4-3b)
(x+5y)(x-5y)(3+y)(-3+y)
(t+4)(t-4)+(t+8)(t-1)(5x+5)(5x-5)-(2x-4)(3x-9)
(c+7)(c-7)63×57
(b+10)(b-10)(a+8b)(a-8b)
(7x+y)(7x-y)(3a+b)(3a-b)
(x+y)(x-y)(7+4y)(-7+4y)
(c+1)(c-1)-(c-5)(c+3)(5t+10)(5t-10)+(2t-10)(4t-5)
(x+10)(x-10)74×66
(2x+7)(2x-7)(-4a+7)(-4a-7)
(7x+y)(7x-y)(4+b)(4-b)
(-4x+y)(-4x-y)(4+y)(-4+y)
(t+6)(t-6)+(t+4)(t-5)(2a+3)(2a-3)-(2a+9)(3a-8)
(a+3)(a-3)204×196
(s+7)(s-7)(-9a+3)(-9a-3)
(x+5y)(x-5y)(2+b)(2-b)
(7x+y)(7x-y)(7+y)(-7+y)
(x+1)(x-1)+(x-7)(x-4)(10a+5)(10a-5)-(3a-5)(4a-3)
(x+5)(x-5)35×25
(4x+7)(4x-7)(a+9b)(a-9b)
(x+y)(x-y)(7+b)(7-b)
(x+6y)(x-6y)(8+5y)(-8+5y)
(c+6)(c-6)+(c+4)(c+3)(c+2)(c-2)-(2c-7)(3c+9)
(a+1)(a-1)104×96
(t+9)(t-9)(a+3b)(a-3b)
(5x+4y)(5x-4y)(1+b)(1-b)
(-3x+3y)(-3x-3y)(5x+2y)(-5x+2y)
(s+8)(s-8)-(s+9)(s+6)(10x+5)(10x-5)+(3x-8)(3x-9)
(c+8)(c-8)401×399
(b+4)(b-4)(3a+1)(3a-1)
(x+y)(x-y)(9+8b)(9-8b)
(7x+y)(7x-y)(2+y)(-2+y)
(c+9)(c-9)+(c-9)(c-6)(7s+9)(7s-9)+(4s+9)(3s-6)
(c+8)(c-8)44×36
(b+4)(b-4)(a+7)(a-7)
(8x+y)(8x-y)(5a+b)(5a-b)
(x+y)(x-y)(3+y)(-3+y)
(y+6)(y-6)+(y-3)(y+7)(5y+4)(5y-4)-(2y-6)(3y-7)
(c+10)(c-10)501×499
(t+1)(t-1)(6a+9b)(6a-9b)
(x+9y)(x-9y)(a+3b)(a-3b)
(-2x+y)(-2x-y)(10+7y)(-10+7y)
(s+5)(s-5)-(s+6)(s+4)(2t+2)(2t-2)+(4t-4)(4t+2)
(c+4)(c-4)702×698
(3y+5)(3y-5)(-4a+b)(-4a-b)
(x+y)(x-y)(8a+b)(8a-b)
(6x+8y)(6x-8y)(x+4y)(-x+4y)
(y+3)(y-3)+(y+2)(y+8)(9t+7)(9t-7)+(4t+9)(3t-4)
(y+7)(y-7)43×37
(t+5)(t-5)(a+b)(a-b)
(8x+y)(8x-y)(2a+9b)(2a-9b)
(x+y)(x-y)(8+3y)(-8+3y)
(s+8)(s-8)+(s+8)(s-6)(10x+2)(10x-2)-(4x+7)(4x-3)
(s+7)(s-7)103×97
(2x+9)(2x-9)(-a+7)(-a-7)
(x+y)(x-y)(3a+3b)(3a-3b)
(x+2y)(x-2y)(10+y)(-10+y)
(c+4)(c-4)-(c+5)(c-9)(9s+4)(9s-4)-(4s+1)(4s+6)
(b+2)(b-2)52×48
(t+6)(t-6)(9a+6)(9a-6)
(x+4y)(x-4y)(4+b)(4-b)
(9x+3y)(9x-3y)(3+8y)(-3+8y)
(a+1)(a-1)-(a-6)(a-2)(x+8)(x-8)+(4x-2)(2x+8)
(x+10)(x-10)105×95
(9t+8)(9t-8)(5a+b)(5a-b)
(9x+6y)(9x-6y)(a+b)(a-b)
(-x+y)(-x-y)(1+3y)(-1+3y)
(s+9)(s-9)-(s+7)(s+5)(10t+8)(10t-8)-(2t-7)(4t-2)
(a+2)(a-2)504×496
(5a+1)(5a-1)(-a+2b)(-a-2b)
(x+y)(x-y)(5+6b)(5-6b)
(-x+8y)(-x-8y)(4+y)(-4+y)
(b+5)(b-5)-(b+9)(b+7)(x+3)(x-3)+(4x+8)(3x-7)
(x+6)(x-6)73×67
(3x+1)(3x-1)(-a+6)(-a-6)
(x+4y)(x-4y)(8+5b)(8-5b)
(3x+y)(3x-y)(7+4y)(-7+4y)
(x+10)(x-10)+(x+6)(x+1)(c+2)(c-2)-(4c+1)(4c-4)
(s+8)(s-8)74×66
(t+2)(t-2)(-3a+6b)(-3a-6b)
(x+y)(x-y)(4+b)(4-b)
(-6x+y)(-6x-y)(6+y)(-6+y)
(y+7)(y-7)+(y+1)(y-7)(6b+9)(6b-9)+(3b+10)(2b+5)
(c+5)(c-5)805×795
(8b+3)(8b-3)(2a+8)(2a-8)
(x
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