人教版八年级数学上册乘法公式综合练习题精选29Word文档下载推荐.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29Word文档下载推荐.docx

898

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

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

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

(c+6)(c-6)+(c-6)(c+5)(x+7)(x-7)+(3x+4)(4x+1)

(s+1)(s-1)73×

67

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

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

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

(x+9)(x-9)+(x-6)(x-8)(s+2)(s-2)-(2s-9)(2s-3)

(t+3)(t-3)601×

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

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

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

(y+6)(y-6)+(y-9)(y-4)(5t+6)(5t-6)-(2t+1)(3t-4)

(t+4)(t-4)94×

86

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

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

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

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

(s+3)(s-3)801×

799

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

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

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

(c+9)(c-9)-(c-1)(c-6)(8b+5)(8b-5)-(3b-3)(4b+8)

(a+7)(a-7)53×

47

(b+6)(b-6)(-a+1)(-a-1)

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

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

(s+5)(s-5)-(s+5)(s-1)(x+8)(x-8)+(3x+8)(3x+4)

(a+9)(a-9)603×

597

(4b+7)(4b-7)(2a+3b)(2a-3b)

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

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

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

(a+3)(a-3)45×

35

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

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

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

(a+8)(a-8)-(a-1)(a+9)(10a+4)(10a-4)+(4a-3)(3a+3)

(y+8)(y-8)32×

28

(5a+10)(5a-10)(-a+5)(-a-5)

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

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

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

(t+5)(t-5)604×

596

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

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

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

(y+1)(y-1)+(y+4)(y-2)(5x+9)(5x-9)+(4x-10)(3x-1)

(c+2)(c-2)505×

495

(a+1)(a-1)(a+8)(a-8)

(9x+y)(9x-y)(10+b)(10-b)

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

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

(c+7)(c-7)105×

95

(6c+8)(6c-8)(-4a+1)(-4a-1)

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

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

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

(s+8)(s-8)65×

55

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

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

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

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

(y+6)(y-6)94×

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

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

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

(b+10)(b-10)+(b-7)(b+7)(t+4)(t-4)+(3t+5)(2t+7)

(x+2)(x-2)501×

499

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

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

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

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

(c+4)(c-4)402×

398

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

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

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

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

(t+8)(t-8)85×

75

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

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

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

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

(t+10)(t-10)602×

598

(2s+5)(2s-5)(-a+2)(-a-2)

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

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

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

(y+3)(y-3)32×

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

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

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

(y+8)(y-8)-(y-9)(y-1)(t+6)(t-6)+(2t-10)(2t-6)

(b+6)(b-6)31×

29

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

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

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

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

(a+10)(a-10)402×

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

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

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

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

(b+9)(b-9)41×

39

(2c+4)(2c-4)(a+7)(a-7)

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

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

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

(x+10)(x-10)702×

698

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

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

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

(x+1)(x-1)-(x+7)(x+5)(4a+5)(4a-5)-(3a-4)(2a-4)

(s+6)(s-6)501×

(b+10)(b-10)(7a+5)(7a-5)

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

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

(s+6)(s-6)+(s-8)(s+8)(y+1)(y-1)+(3y-5)(3y+7)

(s+5)(s-5)35×

25

(6x+10)(6x-10)(-a+b)(-a-b)

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

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

(s+1)(s-1)+(s+8)(s+5)(s+6)(s-6)-(3s+9)(3s-1)

(a+1)(a-1)801×

(3s+7)(3s-7)(6a+1)(6a-1)

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

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

(x+4)(x-4)-(x+9)(x-1)(6y+3)(6y-3)+(4y-10)(4y-1)

(y+8)(y-8)502×

498

(c+1)(c-1)(a+5b)(a-5b)

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

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

(x+9)(x-9)-(x+1)(x+6)(t+4)(t-4)-(4t+5)(2t+4)

(y+10)(y-10)64×

56

(8y+9)(8y-9)(-2a+9b)(-2a-9b)

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

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

(t+9)(t-9)+(t+5)(t+2)(4b+6)(4b-6)-(4b+10)(2b+2)

(b+1)(b-1)62×

58

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

(3x+5y)(3x-5y)(6+8b)(6-8b)

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

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

(s+7)(s-7)405×

395

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

(x+5y)(x-5y)(10+9b)(10-9b)

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

(c+6)(c-6)+(c-2)(c-8)(x+4)(x-4)-(4x-9)(2x+9)

(x+7)(x-7)803×

797

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

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

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

(b+9)(b-9)-(b-8)(b+7)(y+8)(y-8)-(2y+10)(4y-9)

(y+7)(y-7)53×

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

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

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

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

(y+10)(y-10)95×

85

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

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

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

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

(s+2)(s-2)31×

(c+1)(c-1)(-4a+5)(-4a-5)

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

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

(b+8)(b-8)-(b+6)(b+7)(4x+10)(4x-10)-(2x-10)(2x+2)

(x+4)(x-4)91×

89

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

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

(-x+5y)(-x-5y)(10+4y)(-10+4y)

(t+4)(t-4)+(t-3)(t+4)(b+7)(b-7)+(3b-5)(2b-1)

(t+2)(t-2)42×

38

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

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

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

(b+9)(b-9)-(b-2)(b-7)(x+4)(x-4)-(4x-8)(3x-6)

(y+4)(y-4)55×

45

(6c+4)(6c-4)(7a+5b)(7a-5b)

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

(t+4)(t-4)+(t+1)(t+2)(x+9)(x-9)-(4x+10)(4x+2)

(b+9)(b-9)401×

399

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

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

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

(c+4)(c-4)-(c+9)(c+8)(10a+3)(10a-3)+(2a-1)(2a-7)

(b+4)(b-4)802×

(c+2)(c-2)(-4a+6)(-4a-6)

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

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

(x+8)(x-8)-(x-6)(x-8)(10a+5)(10a-5)-(4a+2)(2a+4)

(s+2)(s-2)55×

(a+6)(a-6)(4a+7b)(4a-7b)

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

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

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

(b+3)(b-3)61×

59

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

(5x+3y)(5x-3y)(8a+9b)(8a-9b)

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

(b+9)(b-9)+(b+8)(b+6)(a+6)(a-6)-(2a+7)(2a-1)

(b+8)(b-8)403×

397

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

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

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

(t+7)(t-7)+(t-8)(t+1)(7a+7)(7a-7)-(4a+2)(4a+7)

(c+9)(c-9)73×

(t+2)(t-2)(a+8)(a-8)

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

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

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

(y+6)(y-6)51×

49

(4b+3)(4b-3)(-9a+7)(-9a-7)

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

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

(c+1)(c-1)+(c-4)(c+6)(t+3)(t-3)-(3t-3)(3t+10)

(y+8)(y-8)62×

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

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

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

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

(y+9)(y-9)52×

48

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

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

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

(c+8)(c-8)-(c+1)(c-5)(b+3)(b-3)-(2b-4)(3b+5)

(y+1)(y-1)601×

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

(3x+6y)(3x-6y)(8+8b)(8-8b)

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

(a+10)(a-10)+(a-7)(a+9)(9x+2)(9x-2)+(2x-4)(3x+10)

(s+6)(s-6)905×

895

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

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

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

(t+7)(t-7)-(t-7)(t-6)(3x+2)(3x-2)-(3x+5)(2x+6)

(t+1)(t-1)702×

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

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

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

(c+5)(c-5)+(c-7)(c+9)(10x+8)(10x-8)+(2x+9)(3x+9)

(x+9)(x-9)93×

87

(y+10)(y-10)(-7a+b)(-7a-b)

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

(-6x+6y)(-6x-6y)(7+9y)(-7+9y)

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

(a+7)(a-7)904×

896

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

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

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

(b+2)(b-2)-(b+4)(b+8)(a+5)(a-5)+(2a+7)(2a-9)

(c+2)(c-2)55×

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

(6x+7y)(6x-7y)(4+2b)(4-2b)

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

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

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