人教版八年级数学上册乘法公式综合练习题精选11.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11.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11.docx

人教版八年级数学上册乘法公式综合练习题精选11

(y+4)(y-4)204×196

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

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

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

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

(x+4)(x-4)32×28

(2y+1)(2y-1)(-a+6b)(-a-6b)

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

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

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

(a+6)(a-6)82×78

(3s+10)(3s-10)(5a+7b)(5a-7b)

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

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

(s+10)(s-10)+(s-2)(s+7)(b+6)(b-6)-(4b+10)(4b-10)

(s+6)(s-6)603×597

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

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

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

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

(s+3)(s-3)83×77

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

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

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

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

(a+2)(a-2)83×77

(t+10)(t-10)(4a+9)(4a-9)

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

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

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

(b+7)(b-7)203×197

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

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

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

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

(x+6)(x-6)72×68

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

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

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

(s+6)(s-6)+(s+4)(s+6)(5c+1)(5c-1)-(2c+10)(3c-5)

(a+6)(a-6)302×298

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

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

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

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

(x+3)(x-3)52×48

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

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

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

(t+3)(t-3)-(t+1)(t+1)(c+6)(c-6)+(3c-8)(4c-10)

(y+9)(y-9)34×26

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

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

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

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

(b+2)(b-2)73×67

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

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

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

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

(t+1)(t-1)704×696

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

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

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

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

(s+8)(s-8)504×496

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

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

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

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

(x+7)(x-7)102×98

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

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

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

(t+9)(t-9)-(t+4)(t+4)(a+1)(a-1)+(4a+6)(3a+7)

(b+5)(b-5)103×97

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

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

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

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

(t+4)(t-4)904×896

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

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

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

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

(a+3)(a-3)305×295

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

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

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

(c+10)(c-10)+(c-6)(c+3)(4c+6)(4c-6)+(2c-8)(2c-7)

(a+8)(a-8)205×195

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

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

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

(s+1)(s-1)+(s-5)(s+8)(9x+10)(9x-10)-(3x+2)(4x+5)

(x+8)(x-8)502×498

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

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

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

(s+4)(s-4)-(s-9)(s+8)(7x+4)(7x-4)-(3x+2)(3x-10)

(c+7)(c-7)604×596

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

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

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

(x+10)(x-10)+(x+3)(x-1)(x+3)(x-3)-(4x+3)(4x-4)

(c+8)(c-8)404×396

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

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

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

(x+2)(x-2)-(x+6)(x-2)(7t+4)(7t-4)+(4t+10)(4t-5)

(b+5)(b-5)45×35

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

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

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

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

(b+4)(b-4)305×295

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

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

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

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

(a+9)(a-9)103×97

(t+9)(t-9)(9a+6)(9a-6)

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

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

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

(s+1)(s-1)304×296

(5s+10)(5s-10)(a+4)(a-4)

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

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

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

(t+5)(t-5)94×86

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

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

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

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

(a+8)(a-8)51×49

(2c+7)(2c-7)(-9a+9)(-9a-9)

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

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

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

(c+9)(c-9)601×599

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

(7x+8y)(7x-8y)(1+b)(1-b)

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

(s+3)(s-3)-(s-1)(s-6)(10a+10)(10a-10)+(3a+2)(4a-8)

(c+6)(c-6)73×67

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

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

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

(s+9)(s-9)+(s-6)(s-7)(7x+8)(7x-8)+(4x+5)(2x+9)

(a+8)(a-8)32×28

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

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

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

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

(t+2)(t-2)104×96

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

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

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

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

(c+6)(c-6)93×87

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

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

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

(c+5)(c-5)-(c+3)(c-3)(9s+9)(9s-9)+(2s-10)(2s-4)

(y+2)(y-2)55×45

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

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

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

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

(s+9)(s-9)302×298

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

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

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

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

(a+2)(a-2)63×57

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

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

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

(x+6)(x-6)+(x+1)(x+3)(a+2)(a-2)+(3a+3)(3a+10)

(y+8)(y-8)93×87

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

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

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

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

(t+10)(t-10)35×25

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

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

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

(a+5)(a-5)-(a-1)(a-6)(s+1)(s-1)+(2s+8)(4s-5)

(s+1)(s-1)71×69

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

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

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

(t+1)(t-1)-(t-2)(t-6)(5c+3)(5c-3)+(3c-5)(3c-9)

(t+10)(t-10)701×699

(6b+4)(6b-4)(-3a+7)(-3a-7)

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

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

(s+8)(s-8)-(s-5)(s-8)(10s+9)(10s-9)+(4s-4)(2s-1)

(t+4)(t-4)304×296

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

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

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

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

(x+4)(x-4)31×29

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

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

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

(a+7)(a-7)+(a-6)(a+9)(b+4)(b-4)+(2b-6)(2b-2)

(y+1)(y-1)61×59

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

(6x+y)(6x-y)(1+7b)(1-7b)

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

(b+6)(b-6)-(b+1)(b+9)(y+8)(y-8)+(4y+5)(4y-8)

(c+6)(c-6)73×67

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

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

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

(c+5)(c-5)+(c+1)(c-9)(c+10)(c-10)-(3c-2)(4c-6)

(t+7)(t-7)603×597

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

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

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

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

(x+3)(x-3)41×39

(7s+2)(7s-2)(-6a+9)(-6a-9)

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

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

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

(a+3)(a-3)34×26

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

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

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

(a+8)(a-8)-(a-3)(a-4)(c+9)(c-9)-(3c+5)(4c+9)

(s+4)(s-4)85×75

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

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

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

(s+6)(s-6)-(s-1)(s-5)(b+4)(b-4)+(4b-1)(2b+6)

(y+7)(y-7)204×196

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

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

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

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

(x+5)(x-5)101×99

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

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

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

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

(t+4)(t-4)502×498

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

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

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

(c+2)(c-2)-(c-2)(c+7)(4y+4)(4y-4)-(3y+2)(2y-3)

(t+8)(t-8)301×299

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

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

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

(t+3)(t-3)+(t+2)(t-7)(s+1)(s-1)+(2s-10)(2s+2)

(y+6)(y-6)703×697

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

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

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

(y+9)(y-9)+(y+9)(y+1)(a+9)(a-9)+(2a+9)(4a-9)

(t+5)(t-5)41×39

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

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

(x+2y)(x-2y)(10+4y)(-10+4y)

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

(a+1)(a-1)54×46

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

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

(-7x+y)(-7x-y)(1+6y)(-1+6y)

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

(s+1)(s-1)405×395

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

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

(-3x+3y)(-3x-3y)(1+6y)(-1+6y)

(a+3)(a-3)+(a+8)(a+8)(y+7)(y-7)+(3y-5)(4y-6)

(s+9)(s-9)701×699

(3x+10)(3x-10)(-6a+3b)(-6a-3b)

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

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

(s+1)(s-1)-(s-6)(s+6)(t+3)(t-3)+(3t+3)(4t-1)

(y+1)(y-1)902×898

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