人教版八年级数学上册乘法公式综合练习题精选41.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41.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41.docx

人教版八年级数学上册乘法公式综合练习题精选41

(a+10)(a-10)61×59

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

(4x+2y)(4x-2y)(8a+9b)(8a-9b)

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

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

(t+8)(t-8)901×899

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

(5x+4y)(5x-4y)(3+6b)(3-6b)

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

(c+4)(c-4)-(c-5)(c-2)(6a+8)(6a-8)-(2a-4)(3a+10)

(x+5)(x-5)82×78

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

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

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

(y+5)(y-5)+(y-6)(y-6)(a+4)(a-4)+(3a-9)(2a-7)

(b+3)(b-3)44×36

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

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

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

(y+1)(y-1)-(y+7)(y-4)(t+9)(t-9)+(4t-10)(4t+5)

(a+3)(a-3)73×67

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

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

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

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

(y+6)(y-6)201×199

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

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

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

(a+5)(a-5)+(a-1)(a-4)(5a+6)(5a-6)-(2a+7)(3a+6)

(x+7)(x-7)303×297

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

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

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

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

(t+6)(t-6)74×66

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

(6x+2y)(6x-2y)(5+3b)(5-3b)

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

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

(x+7)(x-7)104×96

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

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

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

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

(x+7)(x-7)604×596

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

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

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

(y+8)(y-8)-(y+3)(y-9)(5c+1)(5c-1)+(2c-6)(4c+2)

(a+7)(a-7)53×47

(4t+10)(4t-10)(-a+7b)(-a-7b)

(2x+4y)(2x-4y)(8+7b)(8-7b)

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

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

(x+5)(x-5)81×79

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

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

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

(a+3)(a-3)+(a-7)(a-2)(a+1)(a-1)+(4a-1)(2a-10)

(s+6)(s-6)83×77

(9t+7)(9t-7)(-a+1)(-a-1)

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

(9x+5y)(9x-5y)(9x+2y)(-9x+2y)

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

(b+4)(b-4)42×38

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

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

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

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

(s+2)(s-2)205×195

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

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

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

(a+2)(a-2)-(a-9)(a+6)(10x+4)(10x-4)+(3x+4)(4x-7)

(x+5)(x-5)204×196

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

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

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

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

(b+7)(b-7)93×87

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

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

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

(x+2)(x-2)+(x-2)(x-5)(7b+9)(7b-9)-(4b+10)(2b-10)

(y+10)(y-10)203×197

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

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

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

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

(y+9)(y-9)703×697

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

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

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

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

(t+1)(t-1)81×79

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

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

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

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

(y+7)(y-7)43×37

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

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

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

(s+1)(s-1)+(s-3)(s+9)(x+6)(x-6)-(2x-2)(2x+7)

(x+2)(x-2)703×697

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

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

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

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

(t+5)(t-5)55×45

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

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

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

(s+4)(s-4)+(s-7)(s-1)(4t+7)(4t-7)-(3t+4)(3t+2)

(c+8)(c-8)905×895

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

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

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

(x+6)(x-6)+(x-1)(x+2)(10b+7)(10b-7)-(2b-1)(2b+4)

(b+5)(b-5)801×799

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

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

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

(s+4)(s-4)+(s-3)(s+7)(7a+10)(7a-10)+(4a-6)(4a-3)

(b+4)(b-4)601×599

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

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

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

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

(b+5)(b-5)75×65

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

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

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

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

(b+4)(b-4)34×26

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

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

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

(a+4)(a-4)+(a-8)(a-5)(3x+3)(3x-3)-(3x-3)(4x-5)

(b+5)(b-5)32×28

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

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

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

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

(s+7)(s-7)201×199

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

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

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

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

(b+6)(b-6)405×395

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

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

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

(x+4)(x-4)-(x+3)(x-6)(9a+7)(9a-7)+(3a-6)(3a-9)

(t+1)(t-1)64×56

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

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

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

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

(x+6)(x-6)85×75

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

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

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

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

(a+9)(a-9)43×37

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

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

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

(s+8)(s-8)+(s-6)(s+6)(t+3)(t-3)+(3t+9)(4t+9)

(c+7)(c-7)502×498

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

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

(-9x+y)(-9x-y)(6+5y)(-6+5y)

(a+6)(a-6)-(a-5)(a-4)(b+7)(b-7)+(2b+10)(2b+6)

(a+9)(a-9)404×396

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

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

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

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

(y+5)(y-5)73×67

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

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

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

(x+4)(x-4)-(x-8)(x+1)(7s+3)(7s-3)+(4s-1)(2s+4)

(b+6)(b-6)805×795

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

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

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

(y+2)(y-2)+(y+6)(y+7)(8c+4)(8c-4)+(4c-5)(4c+2)

(t+10)(t-10)104×96

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

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

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

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

(a+4)(a-4)62×58

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

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

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

(b+7)(b-7)+(b+1)(b-6)(s+7)(s-7)+(4s+8)(2s+6)

(x+8)(x-8)202×198

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

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

(-5x+y)(-5x-y)(3x+7y)(-3x+7y)

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

(s+6)(s-6)301×299

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

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

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

(t+7)(t-7)+(t+3)(t+1)(x+8)(x-8)-(2x-9)(4x+6)

(a+2)(a-2)72×68

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

(x+5y)(x-5y)(4a+8b)(4a-8b)

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

(a+10)(a-10)+(a-1)(a-3)(7t+8)(7t-8)+(2t-7)(3t-8)

(a+10)(a-10)73×67

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

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

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

(s+10)(s-10)+(s-9)(s-6)(y+10)(y-10)+(3y+5)(3y+8)

(b+9)(b-9)605×595

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

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

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

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

(x+2)(x-2)34×26

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

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

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

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

(y+8)(y-8)72×68

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

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

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

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

(t+6)(t-6)501×499

(2s+10)(2s-10)(-a+b)(-a-b)

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

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

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

(c+5)(c-5)902×898

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

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

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

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

(y+2)(y-2)105×95

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

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

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

(y+1)(y-1)-(y-4)(y+6)(4b+7)(4b-7)+(3b+6)(2b-1)

(t+10)(t-10)704×696

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

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

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

(y+7)(y-7)-(y-7)(y-5)(2a+1)(2a-1)-(4a+4)(3a-9)

(c+10)(c-10)102×98

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

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

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

(s+2)(s-2)-(s+2)(s+8)(c+2)(c-2)+(3c-2)(3c+3)

(x+1)(x-1)41×39

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

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

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

(y+10)(y-10)-(y+9)(y+5)(x+9)(x-9)+(4x-7)(3x+10)

(a+8)(a-8)504×496

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

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

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

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

(a+7)(a-7)61×59

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

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

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

(s+3)(s-3)+(s+8)(s-1)(t+4)(t-4)+(3t-9)(4t+3)

(c+10)(c-10)703×697

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

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

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

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

(b+5)(b-5)54×46

(s+1)(s-1)(-a+9b)(-a-9b)

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

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

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

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