人教版八年级数学上册乘法公式综合练习题精选33Word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33Word文件下载.docx

(7x+5y)(7x-5y)(10+b)(10-b)

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

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

(t+3)(t-3)705×

695

(c+2)(c-2)(a+2)(a-2)

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

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

(b+3)(b-3)+(b+5)(b-9)(6s+8)(6s-8)+(4s+4)(4s-9)

(s+6)(s-6)63×

57

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

(x+3y)(x-3y)(2+6b)(2-6b)

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

(t+5)(t-5)-(t+6)(t-7)(a+8)(a-8)+(2a+8)(3a+2)

(c+2)(c-2)804×

796

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

(5x+y)(5x-y)(10+8b)(10-8b)

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

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

(t+7)(t-7)604×

596

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

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

(x+3y)(x-3y)(5+9y)(-5+9y)

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

(t+4)(t-4)805×

795

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

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

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

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

(t+4)(t-4)63×

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

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

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

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

(t+8)(t-8)504×

496

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

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

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

(c+7)(c-7)-(c+6)(c-4)(2b+4)(2b-4)+(2b+5)(2b+1)

(b+1)(b-1)203×

197

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

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

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

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

(y+4)(y-4)93×

87

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

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

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

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

(a+7)(a-7)42×

38

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

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

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

(b+4)(b-4)-(b+9)(b+8)(c+10)(c-10)-(4c+1)(3c-5)

(y+7)(y-7)32×

28

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

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

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

(a+7)(a-7)+(a-2)(a-6)(x+8)(x-8)+(4x+6)(3x+5)

(y+6)(y-6)61×

59

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

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

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

(s+10)(s-10)+(s+1)(s+6)(y+7)(y-7)-(2y-8)(2y-10)

(x+4)(x-4)54×

46

(7b+8)(7b-8)(-a+3b)(-a-3b)

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

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

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

(x+6)(x-6)401×

399

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

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

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

(y+6)(y-6)-(y+1)(y+1)(8a+2)(8a-2)+(2a+1)(3a+8)

(a+4)(a-4)81×

79

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

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

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

(y+6)(y-6)-(y-9)(y-5)(7a+6)(7a-6)-(4a+9)(3a+9)

(t+7)(t-7)302×

298

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

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

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

(x+8)(x-8)+(x+5)(x+2)(b+2)(b-2)+(4b-8)(2b+8)

(c+4)(c-4)55×

45

(7s+8)(7s-8)(3a+b)(3a-b)

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

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

(x+5)(x-5)-(x+1)(x+4)(2t+9)(2t-9)+(3t-9)(3t+9)

(a+8)(a-8)42×

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

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

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

(b+9)(b-9)+(b-1)(b-5)(8s+3)(8s-3)+(3s+10)(2s-2)

(x+9)(x-9)64×

56

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

(9x+5y)(9x-5y)(10+7b)(10-7b)

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

(x+1)(x-1)+(x+3)(x+6)(y+7)(y-7)-(4y+4)(2y-10)

(y+2)(y-2)83×

77

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

(x+4y)(x-4y)(10+9b)(10-9b)

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

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

(s+7)(s-7)203×

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

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

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

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

(s+6)(s-6)805×

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

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

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

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

(x+4)(x-4)95×

85

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

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

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

(y+5)(y-5)+(y+4)(y-8)(8x+1)(8x-1)-(4x+2)(4x+9)

(b+10)(b-10)403×

397

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

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

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

(s+9)(s-9)-(s-6)(s+2)(7c+6)(7c-6)-(2c-5)(4c+5)

(s+2)(s-2)502×

498

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

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

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

(c+4)(c-4)-(c+5)(c-8)(3a+2)(3a-2)+(3a-4)(3a-2)

(b+9)(b-9)405×

395

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

(5x+7y)(5x-7y)(10+4b)(10-4b

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