人教版八年级数学上册乘法公式综合练习题精选133.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133.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133
(t+3)(t-3)72×68
(2s+8)(2s-8)(a+3)(a-3)
(x+y)(x-y)(8+4b)(8-4b)
(-5x+y)(-5x-y)(3+8y)(-3+8y)
(c+9)(c-9)-(c+2)(c-4)(9x+5)(9x-5)-(3x+3)(4x+9)
(a+5)(a-5)83×77
(8b+3)(8b-3)(-9a+b)(-9a-b)
(x+6y)(x-6y)(a+2b)(a-2b)
(-7x+4y)(-7x-4y)(1+y)(-1+y)
(b+8)(b-8)+(b-9)(b-2)(c+4)(c-4)+(4c-5)(4c-1)
(x+8)(x-8)74×66
(5b+2)(5b-2)(-a+5)(-a-5)
(9x+8y)(9x-8y)(a+b)(a-b)
(6x+y)(6x-y)(2+y)(-2+y)
(y+2)(y-2)+(y-9)(y-7)(5t+9)(5t-9)+(2t+6)(2t-10)
(x+5)(x-5)901×899
(s+7)(s-7)(-9a+7)(-9a-7)
(x+y)(x-y)(8a+b)(8a-b)
(-x+6y)(-x-6y)(2+y)(-2+y)
(b+10)(b-10)+(b-5)(b+5)(x+6)(x-6)+(3x+10)(2x-6)
(t+4)(t-4)41×39
(a+4)(a-4)(-6a+9)(-6a-9)
(x+y)(x-y)(9a+b)(9a-b)
(x+7y)(x-7y)(7x+5y)(-7x+5y)
(b+2)(b-2)-(b+3)(b-7)(5a+6)(5a-6)+(2a-10)(4a+10)
(y+6)(y-6)61×59
(7x+10)(7x-10)(-a+1)(-a-1)
(8x+y)(8x-y)(10+b)(10-b)
(-3x+7y)(-3x-7y)(4x+y)(-4x+y)
(a+1)(a-1)-(a-8)(a+2)(a+1)(a-1)+(2a+1)(3a-10)
(a+10)(a-10)91×89
(2t+1)(2t-1)(-3a+1)(-3a-1)
(x+9y)(x-9y)(a+b)(a-b)
(3x+6y)(3x-6y)(2x+3y)(-2x+3y)
(s+1)(s-1)+(s-4)(s-3)(b+1)(b-1)-(3b+9)(3b+2)
(b+1)(b-1)45×35
(s+1)(s-1)(a+b)(a-b)
(8x+y)(8x-y)(7a+b)(7a-b)
(x+y)(x-y)(x+y)(-x+y)
(y+3)(y-3)+(y+8)(y+2)(s+5)(s-5)+(3s-9)(4s-6)
(y+6)(y-6)805×795
(t+2)(t-2)(-a+6)(-a-6)
(x+y)(x-y)(5+9b)(5-9b)
(6x+8y)(6x-8y)(3+7y)(-3+7y)
(x+6)(x-6)+(x-7)(x-1)(10y+5)(10y-5)+(3y-4)(4y-3)
(x+4)(x-4)51×49
(c+7)(c-7)(-a+b)(-a-b)
(8x+y)(8x-y)(9a+b)(9a-b)
(7x+4y)(7x-4y)(1+3y)(-1+3y)
(a+7)(a-7)-(a-8)(a+4)(s+5)(s-5)+(3s-8)(3s+4)
(y+8)(y-8)505×495
(t+7)(t-7)(-a+b)(-a-b)
(2x+6y)(2x-6y)(9+b)(9-b)
(x+2y)(x-2y)(2+4y)(-2+4y)
(b+10)(b-10)-(b-3)(b-1)(8t+8)(8t-8)+(2t-1)(4t+10)
(s+1)(s-1)74×66
(s+5)(s-5)(a+3)(a-3)
(6x+y)(6x-y)(5a+b)(5a-b)
(x+y)(x-y)(x+6y)(-x+6y)
(a+10)(a-10)+(a-3)(a-1)(b+3)(b-3)-(2b-9)(3b+3)
(t+6)(t-6)503×497
(x+8)(x-8)(-2a+b)(-2a-b)
(5x+2y)(5x-2y)(7+4b)(7-4b)
(4x+5y)(4x-5y)(1+y)(-1+y)
(c+3)(c-3)+(c+9)(c-4)(2a+9)(2a-9)+(4a-5)(3a-3)
(a+5)(a-5)64×56
(t+8)(t-8)(6a+8)(6a-8)
(x+2y)(x-2y)(1+3b)(1-3b)
(-x+4y)(-x-4y)(2x+8y)(-2x+8y)
(s+8)(s-8)+(s+1)(s-8)(2t+8)(2t-8)-(3t+3)(2t+2)
(t+4)(t-4)703×697
(t+9)(t-9)(-a+1)(-a-1)
(x+y)(x-y)(8+4b)(8-4b)
(x+5y)(x-5y)(x+4y)(-x+4y)
(a+10)(a-10)-(a+2)(a+5)(3b+9)(3b-9)-(2b+6)(4b+6)
(x+3)(x-3)903×897
(6t+9)(6t-9)(-6a+7b)(-6a-7b)
(7x+y)(7x-y)(3+7b)(3-7b)
(-x+6y)(-x-6y)(8+5y)(-8+5y)
(s+6)(s-6)-(s-9)(s-6)(y+6)(y-6)+(3y+5)(4y-3)
(s+4)(s-4)403×397
(8s+8)(8s-8)(a+7)(a-7)
(2x+2y)(2x-2y)(4a+7b)(4a-7b)
(x+3y)(x-3y)(8+6y)(-8+6y)
(b+2)(b-2)+(b+9)(b+7)(c+9)(c-9)-(3c+2)(4c+8)
(s+8)(s-8)405×395
(a+2)(a-2)(-a+4)(-a-4)
(x+5y)(x-5y)(a+8b)(a-8b)
(3x+4y)(3x-4y)(x+y)(-x+y)
(t+4)(t-4)-(t+3)(t+8)(5a+4)(5a-4)-(3a-1)(2a-3)
(c+8)(c-8)73×67
(b+9)(b-9)(a+b)(a-b)
(7x+y)(7x-y)(10+b)(10-b)
(2x+7y)(2x-7y)(5+4y)(-5+4y)
(x+7)(x-7)+(x-4)(x+6)(y+2)(y-2)+(3y-9)(4y-5)
(a+9)(a-9)602×598
(a+10)(a-10)(6a+1)(6a-1)
(7x+y)(7x-y)(2a+7b)(2a-7b)
(-x+y)(-x-y)(7x+4y)(-7x+4y)
(s+2)(s-2)-(s+3)(s+3)(t+2)(t-2)+(3t+5)(2t-5)
(x+6)(x-6)45×35
(4s+8)(4s-8)(a+9)(a-9)
(x+y)(x-y)(3+9b)(3-9b)
(9x+5y)(9x-5y)(9x+y)(-9x+y)
(a+6)(a-6)-(a+3)(a-3)(7a+3)(7a-3)-(4a+1)(2a-7)
(a+8)(a-8)104×96
(3b+9)(3b-9)(a+3)(a-3)
(x+8y)(x-8y)(a+8b)(a-8b)
(-x+5y)(-x-5y)(4+y)(-4+y)
(a+5)(a-5)+(a-7)(a-3)(5a+10)(5a-10)-(4a-7)(2a+4)
(t+6)(t-6)905×895
(y+8)(y-8)(a+7b)(a-7b)
(6x+4y)(6x-4y)(10+b)(10-b)
(x+8y)(x-8y)(4x+2y)(-4x+2y)
(x+6)(x-6)+(x-1)(x+2)(6a+5)(6a-5)-(4a+6)(2a+5)
(a+5)(a-5)704×696
(a+8)(a-8)(a+3)(a-3)
(9x+y)(9x-y)(5a+6b)(5a-6b)
(x+4y)(x-4y)(7x+3y)(-7x+3y)
(t+7)(t-7)-(t-5)(t+6)(7a+9)(7a-9)+(4a-3)(3a+5)
(c+3)(c-3)62×58
(s+8)(s-8)(-a+b)(-a-b)
(x+y)(x-y)(2a+3b)(2a-3b)
(x+7y)(x-7y)(x+4y)(-x+4y)
(b+8)(b-8)-(b+9)(b+7)(y+1)(y-1)+(2y-1)(4y-3)
(t+8)(t-8)34×26
(c+4)(c-4)(-8a+b)(-8a-b)
(x+y)(x-y)(a+b)(a-b)
(x+8y)(x-8y)(x+7y)(-x+7y)
(s+9)(s-9)-(s-8)(s+6)(y+4)(y-4)-(3y+10)(2y-4)
(y+8)(y-8)605×595
(t+7)(t-7)(-5a+5b)(-5a-5b)
(x+7y)(x-7y)(7+b)(7-b)
(x+2y)(x-2y)(9x+8y)(-9x+8y)
(s+1)(s-1)-(s-8)(s+6)(6y+4)(6y-4)-(2y-9)(4y-2)
(x+6)(x-6)53×47
(x+6)(x-6)(a+b)(a-b)
(x+2y)(x-2y)(a+b)(a-b)
(-8x+y)(-8x-y)(3+y)(-3+y)
(c+1)(c-1)-(c-7)(c+6)(7a+9)(7a-9)+(4a-3)(2a-6)
(x+10)(x-10)41×39
(5c+9)(5c-9)(a+b)(a-b)
(9x+y)(9x-y)(4a+9b)(4a-9b)
(x+9y)(x-9y)(5+y)(-5+y)
(b+10)(b-10)-(b+7)(b+9)(x+10)(x-10)-(3x+2)(3x-6)
(t+5)(t-5)55×45
(8t+7)(8t-7)(-2a+b)(-2a-b)
(7x+y)(7x-y)(8+6b)(8-6b)
(x+y)(x-y)(x+y)(-x+y)
(a+7)(a-7)-(a-2)(a+9)(y+2)(y-2)-(4y-5)(3y-3)
(t+5)(t-5)95×85
(7y+3)(7y-3)(6a+6b)(6a-6b)
(7x+y)(7x-y)(3a+2b)(3a-2b)
(-9x+3y)(-9x-3y)(x+y)(-x+y)
(s+7)(s-7)-(s-6)(s+2)(6b+3)(6b-3)-(3b-7)(3b+4)
(s+9)(s-9)51×49
(s+3)(s-3)(a+b)(a-b)
(x+4y)(x-4y)(10+b)(10-b)
(-x+y)(-x-y)(9+y)(-9+y)
(x+6)(x-6)+(x-5)(x+3)(s+2)(s-2)+(3s-5)(3s-7)
(b+4)(b-4)801×799
(8b+8)(8b-8)(6a+b)(6a-b)
(x+y)(x-y)(10+2b)(10-2b)
(x+y)(x-y)(7+y)(-7+y)
(s+3)(s-3)-(s-2)(s+9)(x+2)(x-2)-(2x-9)(4x+8)
(s+7)(s-7)52×48
(t+9)(t-9)(2a+b)(2a-b)
(x+6y)(x-6y)(8+5b)(8-5b)
(-6x+2y)(-6x-2y)(6x+4y)(-6x+4y)
(y+1)(y-1)+(y-4)(y-5)(a+1)(a-1)-(4a-10)(4a-6)
(x+1)(x-1)43×37
(4t+7)(4t-7)(-a+b)(-a-b)
(x+7y)(x-7y)(9+b)(9-b)
(x+y)(x-y)(x+6y)(-x+6y)
(s+9)(s-9)+(s-1)(s+3)(c+8)(c-8)-(2c-9)(2c+10)
(x+3)(x-3)803×797
(5c+5)(5c-5)(-3a+b)(-3a-b)
(7x+7y)(7x-7y)(3+8b)(3-8b)
(x+9y)(x-9y)(10+5y)(-10+5y)
(c+3)(c-3)+(c+4)(c+9)(t+6)(t-6)+(4t+8)(4t+7)
(b+2)(b-2)94×86
(s+7)(s-7)(a+3)(a-3)
(x+y)(x-y)(3+b)(3-b)
(x+7y)(x-7y)(5+y)(-5+y)
(a+2)(a-2)+(a+8)(a-4)(7y+3)(7y-3)-(3y+10)(4y+1)
(y+7)(y-7)43×37
(7x+7)(7x-7)(-a+4)(-a-4)
(3x+3y)(3x-3y)(6a+2b)(6a-2b)
(x+y)(x-y)(x+3y)(-x+3y)
(t+1)(t-1)-(t+7)(t+1)(7y+10)(7y-10)+(4y-6)(2y+1)
(x+8)(x-8)65×55
(c+6)(c-6)(-a+4)(-a-4)
(x+9y)(x-9y)(6a+b)(6a-b)
(-8x+9y)(-8x-9y)(7+y)(-7+y)
(c+1)(c-1)+(c-5)(c+9)(s+3)(s-3)-(3s+2)(2s-5)
(c+3)(c-3)31×29
(8s+10)(8s-10)(-4a+2)(-4a-2)
(6x+9y)(6x-9y)(a+5b)(a-5b)
(-x+3y)(-x-3y)(3+y)(-3+y)
(x+10)(x-10)+(x+9)(x-3)(6b+7)(6b-7)+(2b+1)(3b-6)
(t+10)(t-10)32×28
(b+3)(b-3)(a+7b)(a-7b)
(2x+y)(2x-y)(6+3b)(6-3b)
(x+9y)(x-9y)(8x+y)(-8x+y)
(a+1)(a-1)-(a-9)(a+6)(s+10)(s-10)+(4s-10)(4s+3)
(c+5)(c-5)43×37
(7t+1)(7t-1)(a+8b)(a-8b)
(2x+y)(2x-y)(7a+2b)(7a-2b)
(-x+y)(-x-y)(4x+y)(-4x+y)
(t+1)(t-1)+(t-1)(t-9)(2a+4)(2a-4)-(2a-5)(3a+1)
(a+1)(a-1)103×97
(b+7)(b-7)(7a+7)(7a-7)
(5x+y)(5x-y)(8+b)(8-b)
(x+9y)(x-9y)(x+9y)(-x+9y)
(b+9)(b-9)-(b+9)(b-4)(x+4)(x-4)-(3x+10)(3x+8)
(t+3)(t-3)401×399
(2y+2)(2y-2)(-6a+8b)(-6a-8b)
(x+y)(x-y)(a+5b)(a-5b)
(-7x+7y)(-7x-7y)(x+y)(-x+y)
(c+2)(c-2)-(c-6)(c+3)(5a+9)(5a-9)+(3a+4)(3a-2)
(b+4)(b-4)74×66
(x+7)(x-7)(a+8)(a-8)
(8x+5y)(8x-5y)(8a+b)(8a-b)
(5x+y)(5x-y)(2+y)(-2+y)
(x+3)(x-3)+(x+9)(x+5)(7b+2)(7b-2)+(4b-5)(4b-1)
(a+5)(a-5)705×695
(a+1)(a-1)(9a+2)(9a-2)
(x+7y)(x-7y)(1+b)(1-b)
(-x+5y)(-x-5y)(2+y)(-2+y)
(x+8)(x-8)-(x+9)(x+5)(4b+8)(4b-8)-(2b-3)(4b-5)
(x+3)(x-3)505×495
(s+1)(s-1)(-4a+5)(-4a-5)
(x+y)(x-y)(5+b)(5-b)
(8x+y)(8x-y)(5+2y)(-5+2y)
(s+5)(s-5)+(s+9)(s-3)(y+4)(y-4)+(3y-5)(3y-10)
(y+6)(y-6)905×895
(2x+1)(2x-1)(a+3b)(a-3b)
(x+y)(x-y)(3+b)(3-b)
(-x+y)(-x-y)(7+y)(-7+y)
(a+5)(a-5)-(a-2)(a-2)(b+1)(b-1)-(4b-2)(3b+3)
(x+4)(x-4)503×497
(x+5)(x-5)(-4a+b)(-4a-b)
(x+8y)(x-8y)(6a+b)(6a-b)
(-x+3y)(-x-3y)(6+2y)(-6+2y)
(b+8)(b-8)+(b-9)(b+7)(2b+5)(2b-5)-(2b-10)(3b+7)
(s+3)(s-3)902×898
(s+2)(s-2)(5a+b)(5a-b)
(9x+9y)(9x-9y)(1+b)(1-b)
(-x+8y)(-x-8y)(2+7y)(-2+7y)
(a+2)(a-2)+(a+1)(a-6)(7s+7)(7s-7)+(4s+1)(3s+4)
(b+1)(b-1)704×696
(9x+2)(9x-2)(-a+6)(-a-6)
(x+y)(x-y)(9a+b)(9a-b)
(9x+y)(9x-y)(9+6y)(-9+6y)
(y+9)(y-9)-(y-8)(y+2)(3x+8)(3x-8)-(4x-1)(2x+6)
(x+10)(x-10)903×897
(9a+9)(9a-9)(-2a+8b)(-2a-8b)
(4x+4y)(4x-4y)(8+6b)(8-6b)
(-8x+9y)(-8x-9y)(5+y)(-5+y)
(t+7)(t-7)-(t-2)(t-2)(5a+8)(5a-8)+(3a-10)(4a-6)
(t+4)(t-4)702×698
(b+7)(b-7)(-6a+b)(-6a-b)
(x+y)(x-y)(2+6b)(2-6b)
(-5x+9y)(-5x-9y)(6+y)(-6+y)
(a+3)(a-3)-(a-6)(a+4)(x+10)(x-10)+(4x+1)(2x-9)
(y+7)(y-7)35×25
(2x+10)(2x-10)(a+b)(a-b)
(2x+y)(2x-y)(a+b)(a-b)
(x+y)(x-y)(x+y)(-x+y)
(y+2)(y-2)+(y-4)(y-1)(7c+3)(7c-3)-(4c-7)(2c+3)
(b+9)(b-9)305×295
(9a+3)(9a-3)(-5a+6b)(-5a-6b)
(9x+y)(9x-y)(4+b)(4-b)
(-x+y)(-x-y)(x+9y)(-x+9y)
(y+10)(y-10)-(y-8)(y+5)(b+5)(b-5)+(4b-8)(3b-9)
(c+4)(c-4)805×795
(t+1)(t-1)(-4a+b)(-4a-b)
(x+2y)(x-2y)(7+9b)(7-9b)
(x+5y)(x-5y)(6x+9y)(-6x+9y)
(s+7)(s-7)-(s+8)(s-5)(a+6)(a-6)-(4a+3)(3a+5)
(t+2)(t-2)43×37
(7a+5)(7a-5)(-5a+9)(-5a-9)
(2x+2y)(2x-2y)(a+b)(a-b)
(-9x+y)(-9x-y)(7+4y)(-7+4y)
(b+1)(b-1)+(b-9)(b+4)(9s+8)(9s-8)+(3s-7)(3s-5)
(t+4)(t-4)403×397
(2t+4)(2t-4)
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