人教版八年级数学上册乘法公式综合练习题精选129.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129.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129
(a+5)(a-5)74×66
(2s+3)(2s-3)(-4a+b)(-4a-b)
(x+y)(x-y)(6a+b)(6a-b)
(-x+3y)(-x-3y)(7+y)(-7+y)
(y+1)(y-1)+(y+1)(y+1)(x+10)(x-10)+(4x+1)(4x-4)
(c+10)(c-10)41×39
(t+3)(t-3)(4a+4)(4a-4)
(x+y)(x-y)(3a+2b)(3a-2b)
(2x+4y)(2x-4y)(2+y)(-2+y)
(y+4)(y-4)+(y+7)(y-6)(x+3)(x-3)+(4x+8)(4x-9)
(b+6)(b-6)55×45
(4t+5)(4t-5)(-4a+b)(-4a-b)
(8x+y)(8x-y)(a+8b)(a-8b)
(-x+3y)(-x-3y)(3+y)(-3+y)
(b+2)(b-2)+(b-9)(b-5)(s+9)(s-9)+(3s-3)(2s+10)
(s+10)(s-10)203×197
(3a+6)(3a-6)(a+8)(a-8)
(x+y)(x-y)(a+b)(a-b)
(3x+y)(3x-y)(9+6y)(-9+6y)
(s+4)(s-4)+(s-3)(s-2)(b+8)(b-8)+(3b+3)(3b-1)
(c+4)(c-4)42×38
(7t+4)(7t-4)(-3a+7b)(-3a-7b)
(8x+8y)(8x-8y)(a+b)(a-b)
(6x+6y)(6x-6y)(9x+y)(-9x+y)
(x+1)(x-1)-(x+9)(x-5)(b+6)(b-6)-(3b+6)(3b+5)
(s+1)(s-1)903×897
(s+9)(s-9)(a+8)(a-8)
(2x+9y)(2x-9y)(a+b)(a-b)
(7x+9y)(7x-9y)(9+7y)(-9+7y)
(b+9)(b-9)+(b+7)(b-9)(b+1)(b-1)-(2b-8)(2b+2)
(y+2)(y-2)104×96
(y+2)(y-2)(-a+5b)(-a-5b)
(x+y)(x-y)(3a+b)(3a-b)
(-5x+4y)(-5x-4y)(4+9y)(-4+9y)
(t+2)(t-2)-(t+6)(t-4)(5a+9)(5a-9)-(4a+2)(3a+6)
(s+5)(s-5)903×897
(c+9)(c-9)(-a+3b)(-a-3b)
(x+y)(x-y)(4a+b)(4a-b)
(-x+3y)(-x-3y)(x+5y)(-x+5y)
(t+4)(t-4)-(t+1)(t+3)(a+4)(a-4)+(3a-7)(2a+7)
(c+7)(c-7)51×49
(y+8)(y-8)(a+5)(a-5)
(3x+y)(3x-y)(4a+2b)(4a-2b)
(-6x+y)(-6x-y)(2x+9y)(-2x+9y)
(s+8)(s-8)-(s+6)(s-3)(b+5)(b-5)+(2b-1)(3b+7)
(t+1)(t-1)75×65
(c+4)(c-4)(-4a+5b)(-4a-5b)
(x+6y)(x-6y)(7+2b)(7-2b)
(-x+6y)(-x-6y)(x+y)(-x+y)
(x+4)(x-4)+(x+5)(x+2)(s+4)(s-4)-(2s-1)(4s-9)
(s+7)(s-7)605×595
(s+2)(s-2)(-7a+3)(-7a-3)
(x+2y)(x-2y)(1+b)(1-b)
(-x+8y)(-x-8y)(3+y)(-3+y)
(s+7)(s-7)+(s+8)(s+3)(s+1)(s-1)+(3s-4)(2s-9)
(b+5)(b-5)93×87
(y+10)(y-10)(-8a+8)(-8a-8)
(9x+9y)(9x-9y)(a+b)(a-b)
(x+4y)(x-4y)(1+y)(-1+y)
(s+6)(s-6)-(s-3)(s-1)(t+10)(t-10)-(4t+3)(2t+7)
(s+5)(s-5)62×58
(s+10)(s-10)(a+2b)(a-2b)
(x+9y)(x-9y)(10+6b)(10-6b)
(3x+y)(3x-y)(x+7y)(-x+7y)
(b+4)(b-4)-(b+4)(b-7)(9t+5)(9t-5)+(2t+2)(3t+7)
(t+8)(t-8)203×197
(b+8)(b-8)(-2a+b)(-2a-b)
(x+y)(x-y)(5a+b)(5a-b)
(-x+y)(-x-y)(x+y)(-x+y)
(a+10)(a-10)+(a-5)(a+4)(10y+1)(10y-1)+(2y-7)(2y-6)
(c+8)(c-8)404×396
(9x+2)(9x-2)(5a+9)(5a-9)
(4x+y)(4x-y)(a+b)(a-b)
(-8x+y)(-8x-y)(8+y)(-8+y)
(x+10)(x-10)+(x+3)(x-1)(a+1)(a-1)-(4a+1)(2a-9)
(s+9)(s-9)52×48
(5s+10)(5s-10)(2a+2b)(2a-2b)
(8x+y)(8x-y)(6a+4b)(6a-4b)
(8x+2y)(8x-2y)(7x+y)(-7x+y)
(s+10)(s-10)-(s-3)(s-2)(7y+3)(7y-3)+(3y+1)(3y-4)
(b+2)(b-2)603×597
(s+7)(s-7)(-a+2)(-a-2)
(9x+y)(9x-y)(2+9b)(2-9b)
(x+y)(x-y)(x+y)(-x+y)
(s+7)(s-7)-(s-1)(s+2)(10s+7)(10s-7)-(4s+5)(4s-1)
(c+7)(c-7)302×298
(c+1)(c-1)(-6a+1)(-6a-1)
(6x+y)(6x-y)(8+b)(8-b)
(x+7y)(x-7y)(1+y)(-1+y)
(b+5)(b-5)-(b+9)(b+5)(4y+6)(4y-6)+(3y-8)(2y+6)
(b+6)(b-6)602×598
(c+6)(c-6)(a+b)(a-b)
(x+3y)(x-3y)(a+b)(a-b)
(9x+y)(9x-y)(2+8y)(-2+8y)
(y+3)(y-3)-(y+1)(y+5)(8a+2)(8a-2)-(3a-6)(3a-6)
(t+8)(t-8)803×797
(2c+10)(2c-10)(4a+5b)(4a-5b)
(x+7y)(x-7y)(3+7b)(3-7b)
(-x+4y)(-x-4y)(x+3y)(-x+3y)
(x+9)(x-9)+(x+9)(x+9)(4t+1)(4t-1)+(3t-7)(4t-2)
(b+6)(b-6)63×57
(5x+4)(5x-4)(3a+b)(3a-b)
(x+6y)(x-6y)(8a+b)(8a-b)
(x+8y)(x-8y)(1+9y)(-1+9y)
(s+8)(s-8)+(s-6)(s-4)(c+9)(c-9)-(4c-3)(2c+8)
(x+10)(x-10)82×78
(b+8)(b-8)(-a+4b)(-a-4b)
(x+9y)(x-9y)(a+2b)(a-2b)
(-x+y)(-x-y)(10+y)(-10+y)
(c+3)(c-3)+(c+6)(c-4)(7s+6)(7s-6)+(4s+8)(3s+9)
(a+4)(a-4)52×48
(b+2)(b-2)(a+4)(a-4)
(x+y)(x-y)(4a+b)(4a-b)
(x+8y)(x-8y)(2+y)(-2+y)
(y+3)(y-3)-(y+5)(y+3)(2b+3)(2b-3)+(3b-3)(4b-7)
(c+2)(c-2)505×495
(3t+2)(3t-2)(2a+4)(2a-4)
(x+y)(x-y)(10+5b)(10-5b)
(-9x+4y)(-9x-4y)(6+3y)(-6+3y)
(s+3)(s-3)-(s+1)(s-5)(y+8)(y-8)-(3y+7)(2y+1)
(b+6)(b-6)105×95
(3s+5)(3s-5)(-a+6)(-a-6)
(x+5y)(x-5y)(2+6b)(2-6b)
(-x+y)(-x-y)(x+y)(-x+y)
(s+3)(s-3)+(s+9)(s-3)(x+6)(x-6)-(4x+6)(2x+10)
(s+7)(s-7)103×97
(a+9)(a-9)(a+3b)(a-3b)
(3x+4y)(3x-4y)(2a+4b)(2a-4b)
(x+3y)(x-3y)(x+8y)(-x+8y)
(b+2)(b-2)-(b+3)(b-4)(b+4)(b-4)-(2b-6)(2b-3)
(s+1)(s-1)51×49
(t+7)(t-7)(-8a+2)(-8a-2)
(x+2y)(x-2y)(a+9b)(a-9b)
(-5x+y)(-5x-y)(3+y)(-3+y)
(s+9)(s-9)+(s+4)(s-8)(b+9)(b-9)+(2b-6)(2b+6)
(x+5)(x-5)101×99
(t+9)(t-9)(-a+1)(-a-1)
(x+y)(x-y)(7a+b)(7a-b)
(4x+y)(4x-y)(x+7y)(-x+7y)
(s+4)(s-4)+(s+4)(s-3)(t+4)(t-4)-(4t+9)(4t+1)
(c+5)(c-5)102×98
(8a+4)(8a-4)(5a+5)(5a-5)
(6x+6y)(6x-6y)(5a+2b)(5a-2b)
(-9x+y)(-9x-y)(5x+y)(-5x+y)
(t+1)(t-1)+(t-9)(t-9)(6t+1)(6t-1)-(3t+7)(2t+9)
(x+6)(x-6)602×598
(2y+9)(2y-9)(-a+5b)(-a-5b)
(5x+y)(5x-y)(2a+2b)(2a-2b)
(-8x+4y)(-8x-4y)(8x+y)(-8x+y)
(x+1)(x-1)-(x-7)(x+3)(3y+7)(3y-7)-(3y+6)(3y-8)
(c+5)(c-5)401×399
(s+7)(s-7)(a+2)(a-2)
(3x+y)(3x-y)(8a+b)(8a-b)
(5x+y)(5x-y)(x+y)(-x+y)
(s+1)(s-1)-(s+1)(s+8)(9x+1)(9x-1)-(3x-10)(2x+7)
(a+8)(a-8)301×299
(2x+7)(2x-7)(2a+2)(2a-2)
(x+8y)(x-8y)(3+9b)(3-9b)
(-x+y)(-x-y)(7x+y)(-7x+y)
(y+4)(y-4)-(y-9)(y+4)(a+9)(a-9)-(3a+9)(3a+3)
(a+9)(a-9)32×28
(t+6)(t-6)(7a+b)(7a-b)
(x+y)(x-y)(a+7b)(a-7b)
(-x+y)(-x-y)(9+6y)(-9+6y)
(a+2)(a-2)+(a-4)(a+4)(y+4)(y-4)+(4y-4)(3y+6)
(y+1)(y-1)95×85
(c+2)(c-2)(7a+4)(7a-4)
(x+y)(x-y)(8a+3b)(8a-3b)
(x+y)(x-y)(10+y)(-10+y)
(c+10)(c-10)+(c-7)(c+1)(10a+8)(10a-8)+(4a+4)(2a-10)
(t+5)(t-5)302×298
(y+1)(y-1)(-a+6b)(-a-6b)
(x+7y)(x-7y)(a+b)(a-b)
(-x+8y)(-x-8y)(x+5y)(-x+5y)
(y+5)(y-5)+(y+2)(y+4)(x+4)(x-4)+(3x-9)(4x-9)
(c+2)(c-2)62×58
(6c+6)(6c-6)(-a+5b)(-a-5b)
(x+8y)(x-8y)(6+b)(6-b)
(2x+y)(2x-y)(1+4y)(-1+4y)
(y+2)(y-2)+(y-3)(y-2)(3s+5)(3s-5)+(4s+1)(2s+2)
(t+3)(t-3)401×399
(9x+8)(9x-8)(-9a+4b)(-9a-4b)
(5x+y)(5x-y)(a+9b)(a-9b)
(-3x+9y)(-3x-9y)(x+8y)(-x+8y)
(a+5)(a-5)-(a+5)(a+6)(b+1)(b-1)-(4b-6)(4b+8)
(a+2)(a-2)401×399
(t+7)(t-7)(a+7)(a-7)
(x+y)(x-y)(2+8b)(2-8b)
(-3x+7y)(-3x-7y)(7x+9y)(-7x+9y)
(s+6)(s-6)-(s-5)(s+8)(x+6)(x-6)+(3x+2)(3x-2)
(a+3)(a-3)105×95
(8a+6)(8a-6)(-a+7)(-a-7)
(x+y)(x-y)(5+3b)(5-3b)
(8x+y)(8x-y)(5x+y)(-5x+y)
(x+6)(x-6)+(x+5)(x+6)(s+7)(s-7)-(2s-10)(4s+9)
(y+9)(y-9)44×36
(6t+7)(6t-7)(-a+b)(-a-b)
(8x+y)(8x-y)(a+4b)(a-4b)
(x+y)(x-y)(4+y)(-4+y)
(x+8)(x-8)-(x-6)(x+4)(5a+9)(5a-9)-(3a+8)(2a-5)
(a+10)(a-10)91×89
(6x+7)(6x-7)(-5a+b)(-5a-b)
(x+y)(x-y)(a+7b)(a-7b)
(x+6y)(x-6y)(6x+3y)(-6x+3y)
(b+8)(b-8)-(b+2)(b+7)(y+5)(y-5)+(4y+9)(3y+5)
(x+5)(x-5)405×395
(x+10)(x-10)(-5a+b)(-5a-b)
(x+y)(x-y)(2+b)(2-b)
(x+5y)(x-5y)(1+y)(-1+y)
(b+8)(b-8)-(b-8)(b+9)(b+8)(b-8)+(2b+4)(3b+5)
(y+1)(y-1)41×39
(3x+10)(3x-10)(2a+2)(2a-2)
(5x+6y)(5x-6y)(5a+b)(5a-b)
(-x+y)(-x-y)(x+5y)(-x+5y)
(s+3)(s-3)+(s+5)(s-7)(y+2)(y-2)+(4y+9)(3y-1)
(c+9)(c-9)93×87
(a+9)(a-9)(a+5b)(a-5b)
(2x+y)(2x-y)(5a+b)(5a-b)
(-x+y)(-x-y)(1+5y)(-1+5y)
(b+7)(b-7)-(b+1)(b-7)(s+4)(s-4)-(2s-4)(4s-5)
(x+5)(x-5)65×55
(x+10)(x-10)(-4a+1)(-4a-1)
(5x+4y)(5x-4y)(9+9b)(9-9b)
(x+y)(x-y)(4+4y)(-4+4y)
(y+2)(y-2)+(y-4)(y-5)(x+10)(x-10)-(3x-8)(3x+6)
(t+10)(t-10)501×499
(9b+7)(9b-7)(-a+7b)(-a-7b)
(x+4y)(x-4y)(8a+8b)(8a-8b)
(-6x+y)(-6x-y)(1+6y)(-1+6y)
(y+5)(y-5)-(y+4)(y+8)(6a+1)(6a-1)+(3a+4)(3a-9)
(t+8)(t-8)41×39
(t+4)(t-4)(3a+b)(3a-b)
(8x+5y)(8x-5y)(3a+2b)(3a-2b)
(-x+y)(-x-y)(3x+2y)(-3x+2y)
(b+5)(b-5)+(b-1)(b+2)(x+9)(x-9)+(4x+4)(3x+3)
(a+3)(a-3)105×95
(7s+4)(7s-4)(4a+4)(4a-4)
(x+y)(x-y)(3+6b)(3-6b)
(x+y)(x-y)(7x+8y)(-7x+8y)
(a+5)(a-5)-(a-1)(a-9)(a+4)(a-4)-(4a-2)(3a+5)
(y+6)(y-6)75×65
(y+9)(y-9)(6a+b)(6a-b)
(x+5y)(x-5y)(a+4b)(a-4b)
(x+y)(x-y)(1+2y)(-1+2y)
(t+10)(t-10)-(t+2)(t+8)(b+10)(b-10)-(4b-9)(3b+8)
(c+6)(c-6)701×699
(s+4)(s-4)(a+2)(a-2)
(5x+y)(5x-y)(5+7b)(5-7b)
(3x+y)(3x-y)(x+4y)(-x+4y)
(b+1)(b-1)+(b-5)(b-9)(s+8)(s-8)+(2s+1)(3s+10)
(t+6)(t-6)905×895
(y+1)(y-1)(-6a+3)(-6a-3)
(4x+y)(4x-y)(8a+8b)(8a-8b)
(-x+y)(-x-y)(6+5y)(-6+5y)
(s+6)(s-6)-(s-1)(s+7)(8t+9)(8t-9)+(2t-4)(2t+6)
(s+8)(s-8)95×85
(3a+3)(3a-3)(-a+7)(-a-7)
(9x+5y)(9x-5y)(3a+7b)(3a-7b)
(-7x+y)(-7x-y)(x+y)(-x+y)
(c+7)(c-7)-(c+8)(c-2)(4c+8)(4c-8)-(4c+1)(4c-2)
(t+9)(t-9)51×49
(a+1)(a-1)(-a+7b)(-a-7b)
(4x+7y)(4x-7y)(3+2b)(3-2b)
(x+y)(x-y)(8+5y)(-8+5y)
(c+7)(c-7)-(c+3)(c-9)(10y+10)(10y-10)-(2y+2)(2y-6)
(y+6)(y-6)63×57
(8x+4)(8x-4)(-8a+1)(-8a-1)
(3x+y)(3x-y)(8+2b)(8-2b)
(2x+6y)(2x-6y)(2+y)(-2+y)
(b+4)(b-4)+(b-8)(b-4)(7a+9)(7a-9)+(2a+2)(3a-9)
(s+5)(s-5)35×25
(2b+6)(2b-6)(-4a+b)(-4a-b)
(3x+y)(3x-y)(2a+2b)(2a-2b)
(-5x+y)(-5x-y)(x+9y)(-x+9y)
(y+2)(y-2)+(y-9)(y+2)(6s+8)(6s-8)-(3s+10)(4s-4)
(y+5)(y-5)604×596
(9a+7)(9a-7)(3a+8)(3a-8)
(x+3y)(x-3y)(10+5b)(10-5b)
(-4x+y)(-4x-y)(9x+y)(-9x+y)
(t+6)(t-6)+(t-7)(t+6)(4s+5)(4s-5)-(4s+10)(2s-10)
(y+5)(y-5)85×75
(x+10)(x-10)(8a+b)(8a-b)
(3x+7y)(3x-7y)(5a+3b)(5a-3b)
(-4x+y)(-4x-y)(x+y)(-x+y)
(s+10)(s-10)-(s-9)(s-7)(s+10)(s-10)-(2s+3)(4s-1)
(t+8)(t-
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