人教版八年级数学上册乘法公式综合练习题精选88Word格式.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88Word格式.docx
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(t+8)(t-8)43×
37
(a+4)(a-4)(2a+3)(2a-3)
(x+2y)(x-2y)(10+b)(10-b)
(x+4y)(x-4y)(x+y)(-x+y)
(b+9)(b-9)-(b+5)(b-9)(t+2)(t-2)+(2t-2)(4t-10)
(y+3)(y-3)34×
(6b+10)(6b-10)(7a+7)(7a-7)
(x+y)(x-y)(a+b)(a-b)
(-8x+y)(-8x-y)(10+8y)(-10+8y)
(s+8)(s-8)-(s+2)(s-2)(y+3)(y-3)-(4y+9)(2y-7)
(y+1)(y-1)65×
55
(y+2)(y-2)(-8a+9b)(-8a-9b)
(-4x+5y)(-4x-5y)(x+4y)(-x+4y)
(x+4)(x-4)+(x+6)(x-6)(2s+8)(2s-8)+(4s+2)(3s+6)
(s+7)(s-7)52×
48
(8x+7)(8x-7)(9a+7b)(9a-7b)
(x+y)(x-y)(9+b)(9-b)
(-x+y)(-x-y)(5x+6y)(-5x+6y)
(y+5)(y-5)+(y-2)(y-7)(6s+4)(6s-4)+(4s-8)(3s+9)
(c+7)(c-7)32×
28
(4t+10)(4t-10)(8a+2b)(8a-2b)
(3x+y)(3x-y)(1+8b)(1-8b)
(-7x+7y)(-7x-7y)(3+4y)(-3+4y)
(c+3)(c-3)+(c-3)(c+2)(c+6)(c-6)+(4c-6)(2c+5)
(y+6)(y-6)402×
398
(6t+8)(6t-8)(a+6)(a-6)
(x+9y)(x-9y)(a+b)(a-b)
(-x+2y)(-x-2y)(9+3y)(-9+3y)
(b+6)(b-6)+(b+2)(b-7)(7y+3)(7y-3)-(2y-1)(3y-3)
(a+3)(a-3)305×
295
(2c+5)(2c-5)(a+2)(a-2)
(x+y)(x-y)(9+5b)(9-5b)
(x+y)(x-y)(4x+y)(-4x+y)
(b+9)(b-9)-(b+9)(b+3)(3b+5)(3b-5)-(3b+1)(2b+9)
(y+1)(y-1)43×
(6t+4)(6t-4)(a+7)(a-7)
(-7x+y)(-7x-y)(2+y)(-2+y)
(c+1)(c-1)-(c+7)(c-6)(4x+9)(4x-9)-(3x+9)(3x+2)
(t+5)(t-5)502×
498
(b+5)(b-5)(3a+4)(3a-4)
(2x+9y)(2x-9y)(3a+9b)(3a-9b)
(-9x+5y)(-9x-5y)(x+y)(-x+y)
(s+7)(s-7)+(s+9)(s-4)(7b+8)(7b-8)+(2b-9)(4b-8)
(x+1)(x-1)82×
78
(3a+1)(3a-1)(-8a+3)(-8a-3)
(4x+y)(4x-y)(5+8b)(5-8b)
(x+y)(x-y)(9x+y)(-9x+y)
(a+10)(a-10)+(a-8)(a+7)(6s+7)(6s-7)-(3s-1)(3s+7)
(x+3)(x-3)801×
799
(b+2)(b-2)(7a+b)(7a-b)
(x+4y)(x-4y)(a+9b)(a-9b)
(3x+y)(3x-y)(6+2y)(-6+2y)
(s+7)(s-7)-(s-7)(s-2)(3x+5)(3x-5)-(2x-3)(2x-2)
(t+1)(t-1)72×
68
(b+10)(b-10)(-8a+2)(-8a-2)
(x+3y)(x-3y)(5+b)(5-b)
(4x+2y)(4x-2y)(9+y)(-9+y)
(t+3)(t-3)-(t+8)(t+5)(c+6)(c-6)+(2c+1)(3c+4)
(a+6)(a-6)73×
(2t+8)(2t-8)(4a+4b)(4a-4b)
(x+8y)(x-8y)(4a+3b)(4a-3b)
(-9x+y)(-9x-y)(7x+2y)(-7x+2y)
(a+6)(a-6)+(a-3)(a-4)(6x+9)(6x-9)-(4x+2)(3x+9)
(s+9)(s-9)402×
(4b+3)(4b-3)(6a+2b)(6a-2b)
(2x+5y)(2x-5y)(8+b)(8-b)
(3x+8y)(3x-8y)(8x+y)(-8x+y)
(a+10)(a-10)-(a-9)(a-1)(a+7)(a-7)-(4a-9)(4a-5)
(c+5)(c-5)93×
87
(b+9)(b-9)(-a+1)(-a-1)
(x+y)(x-y)(4+7b)(4-7b)
(x+y)(x-y)(3+7y)(-3+7y)
(c+9)(c-9)-(c+9)(c+8)(b+4)(b-4)+(2b+9)(4b-8)
(y+9)(y-9)302×
298
(a+1)(a-1)(-a+7b)(-a-7b)
(9x+7y)(9x-7y)(3+8b)(3-8b)
(-x+y)(-x-y)(3+3y)(-3+3y)
(b+4)(b-4)+(b-3)(b-1)(x+10)(x-10)+(3x-9)(4x-3)
(b+8)(b-8)61×
59
(b+3)(b-3)(8a+3)(8a-3)
(x+y)(x-y)(7+b)(7-b)
(x+5y)(x-5y)(8+y)(-8+y)
(s+1)(s-1)-(s-2)(s+1)(s+4)(s-4)+(3s-8)(3s+7)
(t+3)(t-3)503×
497
(5c+7)(5c-7)(a+4b)(a-4b)
(5x+y)(5x-y)(3a+b)(3a-b)
(y+7)(y-7)+(y+8)(y-8)(c+7)(c-7)+(2c-7)(2c+8)
(s+1)(s-1)701×
699
(9y+3)(9y-3)(a+8b)(a-8b)
(x+y)(x-y)(4+6b)(4-6b)
(-7x+y)(-7x-y)(5+y)(-5+y)
(a+2)(a-2)-(a-4)(a+2)(a+8)(a-8)+(4a+3)(2a-10)
(b+10)(b-10)801×
(a+9)(a-9)(-3a+3)(-3a-3)
(3x+y)(3x-y)(a+2b)(a-2b)
(x+5y)(x-5y)(x+y)(-x+y)
(y+6)(y-6)+(y+4)(y+2)(10c+1)(10c-1)-(2c+6)(3c-8)
(t+9)(t-9)302×
(2y+9)(2y-9)(-a+3b)(-a-3b)
(x+6y)(x-6y)(2+4b)(2-4b)
(7x+y)(7x-y)(3+y)(-3+y)
(b+6)(b-6)+(b-3)(b-9)(y+3)(y-3)+(3y-8)(3y+3)
(c+3)(c-3)505×
495
(y+6)(y-6)(-6a+1)(-6a-1)
(x+8y)(x-8y)(a+7b)(a-7b)
(-x+y)(-x-y)(8+y)(-8+y)
(c+3)(c-3)+(c+3)(c+1)(2b+7)(2b-7)+(3b-9)(3b-1)
(t+9)(t-9)73×
(x+9)(x-9)(8a+1)(8a-1)
(5x+8y)(5x-8y)(10+6b)(10-6b)
(x+10)(x-10)-(x+7)(x-5)(2s+4)(2s-4)+(4s+10)(3s-10)
(b+9)(b-9)82×
(c+8)(c-8)(a+1)(a-1)
(9x+7y)(9x-7y)(4a+4b)(4a-4b)
(-4x+y)(-4x-y)(2x+y)(-2x+y)
(s+1)(s-1)-(s-9)(s-1)(c+2)(c-2)+(3c-8)(2c+4)
(c+7)(c-7)65×
(2c+5)(2c-5)(3a+b)(3a-b)
(x+4y)(x-4y)(a+2b)(a-2b)
(b+2)(b-2)-(b-3)(b-7)(9a+3)(9a-3)+(3a+4)(4a-10)
(b+7)(b-7)302×
(5x+5)(5x-5)(-a+4)(-a-4)
(x+y)(x-y)(3+6b)(3-6b)
(-8x+2y)(-8x-2y)(6x+2y)(-6x+2y)
(x+9)(x-9)-(x+3)(x+5)(a+10)(a-10)+(2a-4)(4a-3)
(b+10)(b-10)302×
(s+3)(s-3)(6a+6)(6a-6)
(x+3y)(x-3y)(a+4b)(a-4b)
(-9x+6y)(-9x-6y)(x+y)(-x+y)
(x+1)(x-1)-(x-2)(x+1)(7y+10)(7y-10)+(2y-5)(2y-2)
(x+3)(x-3)31×
(y+5)(y-5)(-a+b)(-a-b)
(x+2y)(x-2y)(a+2b)(a-2b)
(6x+y)(6x-y)(x+8y)(-x+8y)
(s+8)(s-8)+(s+9)(s+8)(10x+2)(10x-2)+(2x-7)(3x-1)
(y+4)(y-4)602×
598
(s+10)(s-10)(2a+2b)(2a-2b)
(x+9y)(x-9y)(8+4b)(8-4b)
(2x+3y)(2x-3y)(3+8y)(-3+8y)
(t+9)(t-9)+(t+8)(t+1)(10s+1)(10s-1)+(3s+8)(3s+8)
(s+1)(s-1)35×
25
(a+9)(a-9)(-a+5)(-a-5)
(x+y)(x-y)(2a+3b)(2a-3b)
(9x+9y)(9x-9y)(x+7y)(-x+7y)
(b+9)(b-9)-(b+3)(b-9)(y+1)(y-1)+(4y-1)(2y-3)
(t+10)(t-10)404×
396
(y+3)(y-3)(8a+4b)(8a-4b)
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(7x+y)(7x-y)(x+3y)(-x+3y)
(t+10)(t-10)+(t-3)(t-8)(x+5)(x-5)+(3x+7)(2x-7)
(s+3)(s-3)61×
(t+3)(t-3)(-a+1)(-a-1)
(9x+4y)(9x-4y)(5+3b)(5-3b)
(-x+8y)(-x-8y)(5+5y)(-5+5y)
(y+6)(y-6)+(y+4)(y-7)(8y+4)(8y-4)+(4y+4)(4y+6)
(a+3)(a-3)203×
197
(y+1)(y-1)(-a+b)(-a-b)
(x+y)(x-y)(3+8b)(3-8b)
(x+9y)(x-9y)(9+y)(-9+y)
(s+1)(s-1)-(s+3)(s-9)(8s+10)(8s-10)-(3s+4)(3s-9)
(t+1)(t-1)704×
696
(9y+2)(9y-2)(a+8)(a-8)
(8x+6y)(8x-6y)(a+3b)(a-3b)
(x+6y)(x-6y)(3x+y)(-3x+y)
(b+2)(b-2)+(b-5)(b-4)(5s+6)(5s-6)-(3s+10)(3s+7)
(b+5)(b-5)405×
395
(3s+6)(3s-6)(-8a+5b)(-8a-5b)
(x+8y)(x-8y)(4+b)(4-b)
(x+y)(x-y)(x+y)(-x+y)
(c+1)(c-1)+(c+5)(c-6)(b+5)(b-5)+(4b-9)(3b-7)
(s+8)(s-8)504×
496
(t+3)(t-3)(3a+b)(3a-b)
(7x+y)(7x-y)(3a+b)(3a-b)
(3x+3y)(3x-3y)(2+y)(-2+y)
(c+4)(c-4)+(c+7)(c-5)(4t+8)(4t-8)+(4t-5)(3t-6)
(x+9)(x-9)62×
58
(x+8)(x-8)(-a+8)(-a-8)
(4x+3y)(4x-3y)(3+7b)(3-7b)
(x+8y)(x-8y)(5+y)(-5+y)
(b+1)(b-1)+(b+7)(b-1)(a+9)(a-9)-(3a-3)(4a+6)
(c+2)(c-2)405×
(8t+7)(8t-7)(-a+b)(-a-b)
(5x+y)(5x-y)(2+b)(2-b)
(x+y)(x-y)(7x+y)(-7x+y)
(y+5)(y-5)-(y+9)(y+7)(c+10)(c-10)+(4c-4)(4c+10)
(b+10)(b-10)65×
(s+1)(s-1)(-a+b)(-a-b)
(3x+y)(3x-y)(6+2b)(6-2b)
(9x+y)(9x-y)(1+5y)(-1+5y)
(a+7)(a-7)+(a+2)(a+2)(s+7)(s-7)+(2s+2)(4s+6)
(c+7)(c-7)603×
597
(y+1)(y-1)(-a+6b)(-a-6b)
(x+y)(x-y)(3+b)(3-b)
(-3x+8y)(-3x-8y)(x+8y)(-x+8y)
(c+6)(c-6)-(c+2)(c-8)(7a+10)(7a-10)+(4a+1)(2a-2)
(t+8)(t-8)92×
88
(3x+3)(3x-3)(a+6)(a-6)
(x+6y)(x-6y)(3a+b)(3a-b)
(x+y)(x-y)(5x+5y)(-5x+5y)
(t+5)(t-5)-(t-6)(t+9)(c+4)(c-4)+(3c-2)(4c-5)
(a+10)(a-10)501×
499
(3y+1)(3y-1)(9a+b)(9a-b)
(2x+y)(2x-y)(6a+9b)(6a-9b)
(6x+y)(6x-y)(8x+6y)(-8x+6y)
(y+10)(y-10)-(y+5)(y+4)(c+9)(c-9)-(3c+1)(4c-4)
(s+5)(s-5)603×
(y+5)(y-5)(a+5)(a-5)
(x+y)(x-y)(8a+b)(8a-b)
(-x+y)(-x-y)(x+6y)(-x+6y)
(y+2)(y-2)+(y-7)(y+9)(10x+1)(10x-1)+(4x-1)(2x+6)
(x+4)(x-4)84×
76
(b+9)(b-9)(3a+b)(3a-b)
(9x+4y)(9x-4y)(5a+8b)(5a-8b)
(x+6y)(x-6y)(x+9y)(-x+9y)
(y+7)(y-7)-(y+5)(y+9)(4y+10)(4y-10)+(2y+4)(2y+3)
(a+3)(a-3)93×
(7y+7)(7y-7)(-a+2b)(-a-2b)
(x+4y)(x-4y)(2a+b)(2a-b)
(s+6)(s-6)-(s-6)(s+7)(x+9)(x-9)-(2x-5)(3x-6)
(s+5)(s-5)85×
(y+2)(y-2)(-a+7)(-a-7)
(-x+y)(-x-y)(8+3y)(-8+3y)
(y+3)(y-3)+(y-5)(y+4)(3s+6)(3s-6)+(2s+10)(4s+6)
(y+1)(y-1)802×
798
(5s+3)(5s-3)(a+5)(a-5)
(x+y)(x-y)(8+2b)(8-2b)
(-6x+y)(-6x-y)(9x+y)(-9x+y)
(c+1)(c-1)+(c-6)(c-3)(x+8)(x-8)-(2x+7)(2x-5)
(s+9)(s-9)701×
(b+10)(b-10)(-a+b)(-a-b)
(x+y)(x-y)(6+y)(-6+y)
(y+9)(y-9)+(y-5)(y+5)(8y+5)(8y-5)-(2y-1)(4y-10)
(a+9)(a-9)61×
(8s+1)(8s-1)(8a+4)(8a-4)
(3x+y)(3x-y)(9a+b)(9a-b)
(x+4y)(x-4y)(8+y)(-8+y)
(b+3)(b-3)+(b-5)(b+8)(7t+7)(7t-7)-(2t+6)(2t+9)
(b+1)(b-1)601×
599
(a+2)(a-2)(a+8)(a-8)
(x+y)(x-y)(a+6b)(a-6b)
(x+y)(x-y)(4+9y)(-4+9y)
(b+7)(b-7)-(b+5)(b-4)(8c+1)(8c-1)+(2c+1)(4c+4)
(b+10)(b-10)62×
(c+7)(c-7)(-4a+9)(-4a-9)
(x+7y)(x-7y)(9a+3b)(9a-3b)
(x+3y)(x-3y)(9+y)(-9+y)
(t+10)(t-10)-(t-1)(t+9)(2b+5)(2b-5)-(2b-10)(2b-8)
(t+4)(t-4)102×
98
(3c+3)(3c-3)(-a+7)(-a-7)
(x+y)(x-y)(1+2b)(1-2b)
(-3x+y)(-3x-y)(x+y)(-x+y)
(b+10)(b-10)+(b-4)(b-8)(4y+5)(4y-5)+(4y+10)(4y-5)
(t+2)(t-2)73×
(8s+8)(8s-8)(-
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