人教版八年级数学上册乘法公式综合练习题精选26Word文件下载.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26Word文件下载.docx

(t+9)(t-9)904×

(5s+1)(5s-1)(6a+8b)(6a-8b)

(5x+6y)(5x-6y)(a+8b)(a-8b)

(x+5y)(x-5y)(x+5y)(-x+5y)

(b+2)(b-2)+(b-6)(b-5)(t+2)(t-2)+(2t+6)(4t-4)

(a+7)(a-7)704×

696

(3t+4)(3t-4)(-a+6b)(-a-6b)

(7x+2y)(7x-2y)(a+b)(a-b)

(-4x+9y)(-4x-9y)(3+4y)(-3+4y)

(y+1)(y-1)+(y+2)(y+3)(c+5)(c-5)+(3c+4)(4c+5)

(b+1)(b-1)502×

498

(8c+3)(8c-3)(-4a+6)(-4a-6)

(x+y)(x-y)(a+b)(a-b)

(x+3y)(x-3y)(5+y)(-5+y)

(y+1)(y-1)+(y+8)(y+1)(s+10)(s-10)-(2s-9)(2s-4)

(y+1)(y-1)505×

495

(3y+8)(3y-8)(a+4)(a-4)

(x+3y)(x-3y)(10+8b)(10-8b)

(-5x+y)(-5x-y)(3+8y)(-3+8y)

(b+5)(b-5)+(b-9)(b+5)(4y+7)(4y-7)-(4y-7)(4y-1)

(b+1)(b-1)64×

56

(y+6)(y-6)(5a+4)(5a-4)

(x+2y)(x-2y)(4+3b)(4-3b)

(-x+8y)(-x-8y)(x+9y)(-x+9y)

(c+9)(c-9)+(c+4)(c-7)(x+4)(x-4)-(2x-1)(3x-10)

(a+6)(a-6)94×

86

(3t+6)(3t-6)(a+7)(a-7)

(x+8y)(x-8y)(9a+9b)(9a-9b)

(-x+y)(-x-y)(9x+4y)(-9x+4y)

(s+5)(s-5)+(s+8)(s+9)(2x+1)(2x-1)+(4x+6)(4x+3)

(a+6)(a-6)102×

98

(5x+10)(5x-10)(-a+b)(-a-b)

(6x+5y)(6x-5y)(7+8b)(7-8b)

(2x+y)(2x-y)(x+2y)(-x+2y)

(s+6)(s-6)-(s+5)(s-3)(a+4)(a-4)+(4a-3)(2a+7)

(x+9)(x-9)905×

895

(t+1)(t-1)(-9a+3)(-9a-3)

(x+y)(x-y)(9a+b)(9a-b)

(7x+2y)(7x-2y)(5+y)(-5+y)

(a+9)(a-9)+(a+4)(a-5)(a+7)(a-7)-(2a-2)(2a+10)

(x+4)(x-4)71×

69

(y+3)(y-3)(a+9)(a-9)

(x+7y)(x-7y)(a+9b)(a-9b)

(x+8y)(x-8y)(x+y)(-x+y)

(t+2)(t-2)-(t-3)(t-3)(b+6)(b-6)-(2b-3)(4b-2)

(a+3)(a-3)75×

65

(y+2)(y-2)(9a+b)(9a-b)

(x+y)(x-y)(8a+4b)(8a-4b)

(-7x+y)(-7x-y)(10+y)(-10+y)

(t+8)(t-8)+(t-3)(t+2)(2b+9)(2b-9)-(3b-2)(4b+5)

(a+4)(a-4)605×

595

(b+5)(b-5)(-6a+b)(-6a-b)

(6x+y)(6x-y)(3x+5y)(-3x+5y)

(b+8)(b-8)-(b+1)(b+6)(a+6)(a-6)-(3a-6)(3a-5)

(b+3)(b-3)93×

87

(8x+6)(8x-6)(-a+6)(-a-6)

(x+5y)(x-5y)(6x+y)(-6x+y)

(x+3)(x-3)-(x+1)(x+7)(a+1)(a-1)-(4a-6)(3a+8)

(a+4)(a-4)904×

(9b+8)(9b-8)(-6a+3)(-6a-3)

(4x+y)(4x-y)(8+3b)(8-3b)

(-x+y)(-x-y)(5x+3y)(-5x+3y)

(t+2)(t-2)+(t-7)(t+7)(3t+1)(3t-1)-(3t+6)(2t+9)

(y+6)(y-6)204×

196

(3s+10)(3s-10)(a+4)(a-4)

(5x+3y)(5x-3y)(a+b)(a-b)

(4x+y)(4x-y)(x+y)(-x+y)

(s+9)(s-9)+(s+3)(s+4)(2y+4)(2y-4)-(4y+10)(3y+4)

(t+4)(t-4)505×

(6s+8)(6s-8)(-9a+5)(-9a-5)

(3x+y)(3x-y)(a+6b)(a-6b)

(7x+y)(7x-y)(x+y)(-x+y)

(c+9)(c-9)-(c+5)(c-1)(2s+3)(2s-3)+(4s+8)(2s+8)

(s+5)(s-5)205×

195

(3t+9)(3t-9)(-3a+5b)(-3a-5b)

(6x+y)(6x-y)(7+6b)(7-6b)

(x+5y)(x-5y)(7+8y)(-7+8y)

(x+3)(x-3)-(x-3)(x+7)(6c+8)(6c-8)+(4c+1)(2c+3)

(x+8)(x-8)203×

(a+5)(a-5)(-a+2b)(-a-2b)

(2x+y)(2x-y)(3+8b)(3-8b)

(-2x+5y)(-2x-5y)(4x+y)(-4x+y)

(c+5)(c-5)-(c+8)(c-3)(c+8)(c-8)-(4c+7)(4c+9)

(t+6)(t-6)52×

48

(2s+8)(2s-8)(-9a+3b)(-9a-3b)

(x+y)(x-y)(4a+9b)(4a-9b)

(x+y)(x-y)(9+y)(-9+y)

(s+8)(s-8)-(s+6)(s+7)(b+2)(b-2)+(3b-10)(2b+2)

(y+2)(y-2)54×

46

(y+9)(y-9)(7a+2)(7a-2)

(x+y)(x-y)(2+5b)(2-5b)

(-x+4y)(-x-4y)(4x+6y)(-4x+6y)

(s+5)(s-5)-(s-2)(s-2)(c+2)(c-2)-(4c+3)(3c+3)

(a+8)(a-8)505×

(4x+3)(4x-3)(a+b)(a-b)

(x+y)(x-y)(1+b)(1-b)

(-2x+y)(-2x-y)(7+y)(-7+y)

(b+4)(b-4)+(b-3)(b+4)(b+1)(b-1)+(3b+5)(3b+9)

(c+9)(c-9)304×

296

(4x+3)(4x-3)(-2a+3)(-2a-3)

(x+3y)(x-3y)(a+b)(a-b)

(-6x+3y)(-6x-3y)(x+y)(-x+y)

(b+1)(b-1)-(b+6)(b-6)(5t+1)(5t-1)+(4t-5)(4t+8)

(s+7)(s-7)92×

88

(y+9)(y-9)(-a+5)(-a-5)

(x+7y)(x-7y)(2+2b)(2-2b)

(9x+7y)(9x-7y)(7+2y)(-7+2y)

(a+6)(a-6)+(a-5)(a+6)(4x+8)(4x-8)-(2x-1)(4x+6)

(c+7)(c-7)85×

75

(y+2)(y-2)(a+2b)(a-2b)

(x+5y)(x-5y)(a+7b)(a-7b)

(-x+y)(-x-y)(3+y)(-3+y)

(c+6)(c-6)+(c+9)(c+1)(y+10)(y-10)+(2y-10)(4y+7)

(x+3)(x-3)63×

57

(9a+8)(9a-8)(a+3)(a-3)

(x+y)(x-y)(a+9b)(a-9b)

(-x+y)(-x-y)(5x+6y)(-5x+6y)

(y+1)(y-1)+(y-3)(y+5)(x+10)(x-10)+(4x+10)(2x-8)

(a+5)(a-5)804×

796

(y+9)(y-9)(4a+9)(4a-9)

(3x+9y)(3x-9y)(6a+5b)(6a-5b)

(-x+3y)(-x-3y)(8+8y)(-8+8y)

(y+9)(y-9)+(y-7)(y+3)(s+3)(s-3)-(2s+4)(2s-9)

(b+1)(b-1)905×

(7t+1)(7t-1)(-3a+4b)(-3a-4b)

(x+y)(x-y)(a+8b)(a-8b)

(-8x+7y)(-8x-7y)(6x+2y)(-6x+2y)

(c+9)(c-9)+(c+6)(c-8)(6t+7)(6t-7)+(3t-10)(2t-3)

(6s+1)(6s-1)(3a+5b)(3a-5b)

(3x+4y)(3x-4y)(8a+b)(8a-b)

(4x+2y)(4x-2y)(8x+y)(-8x+y)

(s+8)(s-8)+(s+1)(s+7)(a+1)(a-1)+(4a+1)(3a+4)

(x+8)(x-8)85×

(9y+1)(9y-1)(-6a+8)(-6a-8)

(2x+7y)(2x-7y)(a+6b)(a-6b)

(7x+y)(7x-y)(5x+y)(-5x+y)

(t+9)(t-9)-(t+5)(t+5)(x+4)(x-4)+(4x+7)(3x+9)

(t+8)(t-8)201×

199

(s+9)(s-9)(-a+8)(-a-8)

(x+6y)(x-6y)(a+b)(a-b)

(8x+7y)(8x-7y)(6+y)(-6+y)

(b+4)(b-4)-(b-1)(b-4)(x+5)(x-5)-(3x+6)(3x+2)

(y+6)(y-6)64×

(7a+8)(7a-8)(-a+9)(-a-9)

(4x+y)(4x-y)(7+b)(7-b)

(7x+3y)(7x-3y)(9x+3y)(-9x+3y)

(a+4)(a-4)+(a+1)(a-9)(2a+8)(2a-8)+(4a+10)(2a-5)

(a+7)(a-7)203×

(c+9)(c-9)(-8a+8)(-8a-8)

(9x+y)(9x-y)(3a+4b)(3a-4b)

(-x+y)(-x-y)(6+y)(-6+y)

(a+1)(a-1)+(a+3)(a+6)(y+6)(y-6)-(2y+3)(2y+9)

(y+7)(y-7)702×

698

(2x+7)(2x-7)(6a+1)(6a-1)

(7x+4y)(7x-4y)(9a+5b)(9a-5b)

(x+9y)(x-9y)(7x+y)(-7x+y)

(x+8)(x-8)+(x-7)(x-2)(3s+6)(3s-6)-(2s-10)(3s+10)

(a+2)(a-2)702×

(b+2)(b-2)(-a+7)(-a-7)

(5x+y)(5x-y)(9+b)(9-b)

(8x+9y)(8x-9y)(1+y)(-1+y)

(s+1)(s-1)-(s-9)(s-9)(8x+2)(8x-2)-(4x+2)(2x-2)

(x+2)(x-2)203×

(b+9)(b-9)(3a+8)(3a-8)

(x+6y)(x-6y)(9+y)(-9+y)

(c+2)(c-2)-(c+3)(c-6)(s+4)(s-4)-(4s-3)(4s+6)

(t+10)(t-10)105×

95

(t+5)(t-5)(a+5)(a-5)

(x+9y)(x-9y)(8+b)(8-b)

(-6x+5y)(-6x-5y)(7+5y)(-7+5y)

(b+8)(b-8)+(b-3)(b-6)(6a+4)(6a-4)-(4a+7)(4a+1)

(b+2)(b-2)902×

898

(a+8)(a-8)(-4a+4b)(-4a-4b)

(5x+3y)(5x-3y)(3+y)(-3+y)

(a+10)(a-10)-(a-2)(a+9)(3s+2)(3s-2)-(2s-10)(2s+2)

(y+1)(y-1)75×

(6b+2)(6b-2)(3a+b)(3a-b)

(x+9y)(x-9y)(5+b)(5-b)

(-x+7y)(-x-7y)(3+6y)(-3+6y)

(c+5)(c-5)+(c-3)(c-6)(a+10)(a-10)-(4a-6)(2a+4)

(s+2)(s-2)803×

797

(2x+7)(2x-7)(-6a+b)(-6a-b)

(4x+y)(4x-y)(5a+b)(5a-b)

(-x+y)(-x-y)(x+y)(-x+y)

(b+3)(b-3)+(b-1)(b+2)(b+6)(b-6)-(2b+4)(2b-6)

(x+6)(x-6)604×

596

(y+6)(y-6)(-9a+3)(-9a-3)

(x+3y)(x-3y)(10+7b)(10-7b)

(x+y)(x-y)(7+4y)(-7+4y)

(a+5)(a-5)+(a-5)(a-4)(s+9)(s-9)-(2s+8)(4s-6)

(a+9)(a-9)201×

(5t+2)(5t-2)(a+9)(a-9)

(x+3y)(x-3y)(3a+b)(3a-b)

(8x+9y)(8x-9y)(7+y)(-7+y)

(t+1)(t-1)-(t+7)(t+9)(x+2)(x-2)-(3x+4)(4x-9)

(c+5)(c-5)82×

78

(7c+6)(7c-6)(-a+6)(-a-6)

(x+3y)(x-3y)(4x+y)(-4x+y)

(a+4)(a-4)-(a-8)(a-9)(t+4)(t-4)-(3t-8)(2t+7)

(b+6)(b-6)101×

99

(a+10)(a-10)(a+9)(a-9)

(9x+8y)(9x-8y)(1+5b)(1-5b)

(6x+7y)(6x-7y)(x+8y)(-x+8y)

(y+7)(y-7)+(y+1)(y-1)(c+1)(c-1)+(2c+9)(3c-1)

(t+10)(t-10)34×

26

(c+2)(c-2)(-8a+1)(-8a-1)

(x+3y)(x-3y)(1+4b)(1-4b)

(-8x+3y)(-8x-3y)(4+7y)(-4+7y)

(x+1)(x-1)-(x-4)(x+6)(s+10)(s-10)+(4s-6)(2s+9)

(y+5)(y-5)63×

(y+8)(y-8)(a+6b)(a-6b)

(x+3y)(x-3y)(8a+b)(8a-b)

(9x+y)(9x-y)(x+y)(-x+y)

(b+3)(b-3)+(b-4)(b-4)(4y+10)(4y-10)-(4y+3)(2y-9)

(a+1)(a-1)901×

899

(2a+6)(2a-6)(a+6)(a-6)

(x+9y)(x-9y)(5a+b)(5a-b)

(-4x+y)(-4x-y)(9x+8y)(-9x+8y)

(s+5)(s-5)+(s+6)(s-6)(a+4)(a-4)+(3a+1)(4a-5)

(a+4)(a-4)103×

(2c+2)(2c-2)(-5a+3)(-5a-3)

(x+y)(x-y)(6+3b)(6-3b)

(x+y)(x-y)(7+3y)(-7+3y)

(t+8)(t-8)+(t-8)(t+6)(3t+2)(3t-2)-(3t-1)(4t-3)

(y+4)(y-4)81×

(c+4)(c-4)(-2a+3)(-2a-3)

(9x+4y)(9x-4y)(5+b)(5-b)

(x+y)(x-y)(3x+y)(-3x+y)

(c+6)(c-6)-(c-1)(c+5)(c+10)(c-10)-(3c+7)(2c-8)

(b+4)(b-4)(a+4b)(a-4b)

(7x+y)(7x-y)(9+8b)(9-8b)

(2x+5y)(2x-5y)(x+y)(-x+y)

(a+6)(a-6)-(a+8)(a-9)(4y+2)(4y-2)-(4y+5)(4y-10)

(t+2)(t-2)301×

299

(7c+10)(7c-10)(a+4)(a-4)

(x+9y)(x-9y)(4a+7b)(4a-7b)

(3x+y)(3x-y)(6+y)(-6+y)

(a+6)(a-6)-(a+2)(a-3)(8a+3)(8a-3)+(2a-8)(2a+4)

(y+10)(y-10)71×

(s+5)(s-5)(-a+b)(-a-b)

(3x+y)(3x-y)(x+y)(-x+y)

(t+2)(t-2)+(t-4)(t+5)(4c+8)(4c-8)+(4c-10)(3c+4)

(s+10)(s-10)202×

198

(s+7)(s-7)(-a+3)(-a-3)

(4x+6y)(4x-6y)(8+b)(8-b)

(-4x+y)(-4x-y)(2+y)(-2+y)

(c+7)(c-7)+(c+6)(c+1)(7s+4)(7s-4)+(4s+8)(4s+3)

(t+8)(t-8)52×

(9y+8)(9y-8)(a+b)(a-b)

(x+y)(x-y)(10+b)(10-b)

(x+y)(x-y)(5+8y)(-5+8y)

(s+4)(s-4)-(s-5)(s+7)(b+9)(b-9)+(3b-9)(2b-1)

(t+1)(t-1)73×

67

(9c+5)(9

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