人教版八年级数学上册乘法公式综合练习题精选5Word格式文档下载.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5Word格式文档下载.docx

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

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

(b+1)(b-1)+(b-7)(b+9)(c+3)(c-3)+(4c-9)(4c+9)

(a+10)(a-10)804×

796

(3x+4)(3x-4)(5a+b)(5a-b)

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

(4x+3y)(4x-3y)(5+5y)(-5+5y)

(s+7)(s-7)+(s+5)(s+3)(a+7)(a-7)+(2a+3)(2a+1)

(a+6)(a-6)71×

69

(t+10)(t-10)(-a+7)(-a-7)

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

(5x+2y)(5x-2y)(1+y)(-1+y)

(b+10)(b-10)-(b-8)(b+6)(x+5)(x-5)+(3x+6)(4x+9)

(c+9)(c-9)65×

55

(6c+10)(6c-10)(8a+b)(8a-b)

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

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

(t+7)(t-7)+(t-1)(t+1)(y+8)(y-8)+(2y+5)(2y-6)

(a+2)(a-2)102×

98

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

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

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

(b+5)(b-5)-(b+9)(b+6)(a+3)(a-3)+(2a+1)(4a-4)

(s+7)(s-7)43×

37

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

(3x+2y)(3x-2y)(8+9b)(8-9b)

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

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

(x+10)(x-10)205×

195

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

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

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

(b+5)(b-5)-(b-6)(b-4)(a+4)(a-4)-(2a-2)(3a-5)

(a+10)(a-10)201×

199

(t+8)(t-8)(a+4)(a-4)

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

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

(s+2)(s-2)+(s-6)(s+5)(x+2)(x-2)+(4x+10)(3x+4)

(b+3)(b-3)65×

(t+9)(t-9)(-a+7b)(-a-7b)

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

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

(b+4)(b-4)+(b-9)(b-5)(2c+9)(2c-9)+(3c+3)(2c+6)

(b+7)(b-7)34×

26

(s+1)(s-1)(7a+2b)(7a-2b)

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

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

(x+7)(x-7)-(x+6)(x-2)(y+6)(y-6)+(2y-5)(3y+1)

(a+2)(a-2)101×

99

(a+1)(a-1)(-a+9)(-a-9)

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

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

(y+2)(y-2)+(y+4)(y+9)(6t+8)(6t-8)+(2t+2)(3t-10)

(s+4)(s-4)42×

38

(2y+2)(2y-2)(-4a+b)(-4a-b)

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

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

(t+6)(t-6)+(t-6)(t+2)(2y+4)(2y-4)+(2y-6)(3y-10)

(c+9)(c-9)704×

696

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

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

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

(t+3)(t-3)-(t+6)(t+4)(x+10)(x-10)+(4x-8)(2x+3)

(b+1)(b-1)35×

25

(c+7)(c-7)(-a+b)(-a-b)

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

(b+8)(b-8)-(b+2)(b-2)(7s+6)(7s-6)-(3s+5)(3s+1)

(c+9)(c-9)85×

75

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

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

(4x+5y)(4x-5y)(9+8y)(-9+8y)

(b+5)(b-5)-(b+9)(b-1)(2b+8)(2b-8)-(4b-10)(2b+6)

(t+9)(t-9)35×

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

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

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

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

(t+10)(t-10)901×

899

(8t+6)(8t-6)(a+5)(a-5)

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

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

(s+4)(s-4)-(s-9)(s+4)(6y+2)(6y-2)-(4y-5)(2y+1)

(x+1)(x-1)65×

(a+1)(a-1)(a+4)(a-4)

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

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

(c+7)(c-7)-(c+4)(c+2)(8b+2)(8b-2)+(2b+7)(3b+7)

(x+3)(x-3)64×

56

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

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

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

(c+9)(c-9)+(c+4)(c-9)(10y+7)(10y-7)+(4y-10)(3y+10)

(b+2)(b-2)401×

399

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

(7x+9y)(7x-9y)(5a+3b)(5a-3b)

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

(b+5)(b-5)-(b-7)(b-8)(x+7)(x-7)-(3x+10)(2x+1)

(b+4)(b-4)904×

896

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

(8x+6y)(8x-6y)(2a+b)(2a-b)

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

(t+5)(t-5)-(t-2)(t+2)(4a+1)(4a-1)-(4a+3)(2a+8)

(s+4)(s-4)303×

297

(2b+7)(2b-7)(a+8)(a-8)

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

(c+9)(c-9)-(c-6)(c+7)(6x+3)(6x-3)+(4x-2)(2x+6)

(s+6)(s-6)102×

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

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

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

(x+8)(x-8)-(x+2)(x+2)(9b+7)(9b-7)+(3b-1)(4b-3)

(x+10)(x-10)94×

86

(7t+10)(7t-10)(-a+9b)(-a-9b)

(3x+5y)(3x-5y)(2+b)(2-b)

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

(s+6)(s-6)-(s-2)(s-5)(s+5)(s-5)-(3s-3)(3s-9)

(x+3)(x-3)72×

68

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

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

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

(c+10)(c-10)+(c+1)(c+2)(a+3)(a-3)-(2a+6)(4a+10)

(b+5)(b-5)203×

197

(8s+1)(8s-1)(a+7b)(a-7b)

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

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

(c+2)(c-2)-(c+4)(c-9)(5x+2)(5x-2)-(2x+7)(3x+4)

(b+9)(b-9)84×

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

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

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

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