人教版八年级数学上册乘法公式综合练习题精选83Word文档格式.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83Word文档格式.docx

(7t+10)(7t-10)(a+6)(a-6)

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

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

(b+5)(b-5)-(b+8)(b+7)(x+7)(x-7)+(4x-1)(2x-10)

(t+1)(t-1)605×

595

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

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

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

(a+2)(a-2)+(a+8)(a-6)(10y+4)(10y-4)+(2y+7)(4y-6)

(y+8)(y-8)904×

896

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

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

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

(b+8)(b-8)+(b-3)(b+2)(b+7)(b-7)-(4b+1)(4b+10)

(c+8)(c-8)61×

59

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

(2x+y)(2x-y)(10+7b)(10-7b)

(-9x+y)(-9x-y)(4+6y)(-4+6y)

(y+7)(y-7)+(y+3)(y+5)(8x+2)(8x-2)-(4x+10)(4x-3)

(c+3)(c-3)65×

55

(a+3)(a-3)(a+3)(a-3)

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

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

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

(x+9)(x-9)905×

895

(a+5)(a-5)(8a+5)(8a-5)

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

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

(y+5)(y-5)-(y-5)(y+5)(t+9)(t-9)-(2t+3)(2t-3)

(x+10)(x-10)71×

69

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

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

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

(c+8)(c-8)-(c+4)(c-1)(b+7)(b-7)-(3b-3)(2b+10)

(b+10)(b-10)604×

596

(7s+9)(7s-9)(4a+8)(4a-8)

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

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

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

(y+1)(y-1)95×

85

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

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

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

(y+5)(y-5)-(y+1)(y+5)(2s+1)(2s-1)-(2s-10)(4s-7)

(c+5)(c-5)81×

79

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

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

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

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

(y+8)(y-8)31×

29

(6t+10)(6t-10)(-a+1)(-a-1)

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

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

(b+9)(b-9)-(b-9)(b+2)(a+4)(a-4)+(2a+4)(4a+4)

(b+10)(b-10)102×

(a+1)(a-1)(4a+6)(4a-6)

(6x+y)(6x-y)(4+3b)(4-3b)

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

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

(a+10)(a-10)701×

699

(3t+8)(3t-8)(-a+4b)(-a-4b)

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

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

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

(c+2)(c-2)101×

99

(5y+8)(5y-8)(-9a+9b)(-9a-9b)

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

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

(s+9)(s-9)+(s-9)(s-1)(b+1)(b-1)-(2b+3)(2b-8)

(s+3)(s-3)41×

39

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

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

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

(y+2)(y-2)-(y+9)(y-5)(9b+10)(9b-10)-(2b-4)(4b+10)

(x+1)(x-1)75×

65

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

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

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

(a+5)(a-5)+(a-9)(a-1)(6y+1)(6y-1)+(3y-10)(3y+10)

(a+10)(a-10)604×

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

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

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

(s+1)(s-1)-(s+1)(s+2)(10s+8)(10s-8)-(3s+5)(4s+2)

(c+10)(c-10)72×

68

(b+9)(b-9)(-a+b)(-a-b)

(5x+2y)(5x-2y)(6+b)(6-b)

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

(b+10)(b-10)-(b-3)(b+2)(y+1)(y-1)-(3y-1)(2y+7)

(x+1)(x-1)502×

498

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

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

(-2x+2y)(-2x-2y)(6+4y)(-6+4y)

(s+3)(s-3)-(s-7)(s+6)(y+7)(y-7)+(3y+5)(2y-5)

(t+8)(t-8)502×

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

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

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

(t+8)(t-8)+(t+4)(t-1)(10y+7)(10y-7)+(4y-6)(3y-7)

(s+8)(s-8)401×

399

(y+9)(y-9)(2a+4)(2a-4)

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

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

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

(c+5)(c-5)901×

899

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

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

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

(x+3)(x-3)-(x-3)(x+3)(4s+7)(4s-7)+(2s-4)(2s+5)

(x+4)(x-4)54×

46

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

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

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

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

(b+5)(b-5)104×

96

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

(8x+6y)(8x-6y)(1+b)(1-b)

(-6x+y)(-6x-y)(2+5y)(-2+5y)

(b+2)(b-2)+(b+2)(b-6)(y+5)(y-5)-(4y+2)(4y-8)

(x+5)(x-5)901×

(7t+10)(7t-10)(5a+8)(5a-8)

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

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

(t+7)(t-7)+(t-4)(t-3)(b+5)(b-5)+(3b-3)(2b+7)

(y+8)(y-8)64×

56

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

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

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

(a+1)(a-1)+(a+6)(a-5)(y+1)(y-1)-(3y+9)(4y-9)

(s+7)(s-7)201×

199

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

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

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

(c+1)(c-1)+(c+6)(c-6)(5b+4)(5b-4)-(2b-9)(2b+6)

(x+8)(x-8)93×

87

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

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

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

(y+10)(y-10)+(y+7)(y-1)(8b+7)(8b-7)+(4b-9)(3b+7)

(x+3)(x-3)302×

298

(5s+4)(5s-4)(-a+b)(-a-b)

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

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

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

(t+5)(t-5)62×

58

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

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

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

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

(y+4)(y-4)105×

95

(9c+4)(9c-4)(a+9)(a-9)

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

(6x+2y)(6x-2y)(9+y)(-9+y)

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

(t+7)(t-7)305×

295

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

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

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

(y+4)(y-4)-(y-9)(y+9)(y+1)(y-1)+(2y-3)(2y-10)

(x+4)(x-4)82×

78

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

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

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

(b+4)(b-4)-(b-5)(b-8)(2y+7)(2y-7)-(4y+1)(2y+8)

(a+6)(a-6)51×

49

(a+7)(a-7)(a+4)(a-4)

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

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

(a+3)(a-3)+(a+7)(a+4)(t+10)(t-10)-(3t+8)(4t-3)

(s+5)(s-5)204×

196

(y+6)(y-6)(4a+3)(4a-3)

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

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

(b+8)(b-8)+(b-8)(b-9)(t+1)(t-1)+(3t-5)(2t-9)

(c+4)(c-4)71×

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

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

(7x+5y)(7x-5y)(2x+4y)(-2x+4y)

(b+10)(b-10)-(b-4)(b+6)(7c+1)(7c-1)+(2c+3)(3c-3)

(a+10)(a-10)32×

28

(8t+8)(8t-8)(a+b)(a-b)

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

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

(t+6)(t-6)+(t+5)(t+1)(t+8)(t-8)-(2t+5)(3t+3)

(s+1)(s-1)301×

299

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

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

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

(b+1)(b-1)+(b+7)(b+2)(x+8)(x-8)-(3x-6)(3x+7)

(c+1)(c-1)805×

795

(y+7)(y-7)(6a+6)(6a-6)

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

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

(x+9)(x-9)-(x-2)(x-5)(3a+5)(3a-5)+(2a-6)(3a+8)

(x+5)(x-5)801×

799

(5y+7)(5y-7)(-3a+4)(-3a-4)

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

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

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

(s+8)(s-8)63×

57

(2s+4)(2s-4)(3a+b)(3a-b)

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

(4x+3y)(4x-3y)(2x+9y)(-2x+9y)

(t+9)(t-9)+(t+2)(t+9)(a+5)(a-5)-(4a-5)(4a-1)

(b+6)(b-6)103×

97

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

(7x+9y)(7x-9y)(1+9b)(1-9b)

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

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

(y+3)(y-3)303×

297

(8t+3)(8t-3)(5a+6)(5a-6)

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

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

(t+6)(t-6)-(t-7)(t+3)(s+10)(s-10)-(2s+4)(2s+3)

(t+3)(t-3)73×

67

(x+6)(x-6)(-a+9)(-a-9)

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

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

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

(a+1)(a-1)72×

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

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

(8x+8y)(8x-8y)(5x+2y)(-5x+2y)

(s+7)(s-7)+(s-8)(s-2)(c+6)(c-6)-(4c-3)(2c-6)

(c+7)(c-7)63×

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

(x+6y)(x-6y)(10+5b)(10-5b)

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

(b+6)(b-6)-(b-8)(b+2)(t+8)(t-8)-(3t+6)(4t+5)

(s+8)(s-8)705×

695

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

(x+6y)(x-6y)(10+2b)(10-2b)

(t+5)(t-5)+(t-8)(t-9)(10s+3)(10s-3)-(4s-6)(2s+7)

(x+5)(x-5)101×

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

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

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

(t+10)(t-10)+(t-8)(t+3)(7x+8)(7x-8)+(2x-7)(3x+4)

(y+8)(y-8)52×

48

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

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

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

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

(b+1)(b-1)83×

77

(9b+10)(9b-10)(a+5b)(a-5b)

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

(-6x+6y)(-6x-6y)(8+9y)(-8+9y)

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

(s+5)(s-5)32×

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

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

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

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

(y+1)(y-1)304×

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

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

(-5x+2y)(-5x-2y)(8x+y)(-8x+y)

(c+10)(c-10)-(c-9)(c+9)(s+10)(s-10)+

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