人教版八年级数学上册乘法公式综合练习题精选114.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114
(s+10)(s-10)65×55
(x+1)(x-1)(2a+b)(2a-b)
(7x+y)(7x-y)(9a+7b)(9a-7b)
(x+y)(x-y)(5+y)(-5+y)
(a+5)(a-5)-(a-6)(a-4)(x+10)(x-10)-(2x+4)(4x+6)
(b+6)(b-6)93×87
(8b+2)(8b-2)(a+4b)(a-4b)
(x+4y)(x-4y)(7a+b)(7a-b)
(-x+2y)(-x-2y)(7+y)(-7+y)
(c+6)(c-6)-(c+1)(c+5)(3a+10)(3a-10)-(3a-1)(4a-9)
(c+1)(c-1)504×496
(8s+4)(8s-4)(-a+b)(-a-b)
(x+y)(x-y)(a+4b)(a-4b)
(x+y)(x-y)(x+4y)(-x+4y)
(x+3)(x-3)+(x+6)(x-8)(y+6)(y-6)+(3y-10)(3y-5)
(a+7)(a-7)61×59
(6b+2)(6b-2)(5a+2)(5a-2)
(4x+y)(4x-y)(8+2b)(8-2b)
(-x+7y)(-x-7y)(4+y)(-4+y)
(y+9)(y-9)-(y-2)(y-7)(7c+9)(7c-9)+(3c+8)(2c+3)
(a+2)(a-2)701×699
(x+3)(x-3)(5a+b)(5a-b)
(x+4y)(x-4y)(9+b)(9-b)
(7x+4y)(7x-4y)(x+y)(-x+y)
(b+2)(b-2)+(b+8)(b-1)(s+5)(s-5)+(4s-10)(3s-6)
(c+3)(c-3)805×795
(6s+7)(6s-7)(-a+7)(-a-7)
(x+3y)(x-3y)(6a+b)(6a-b)
(9x+y)(9x-y)(2+y)(-2+y)
(s+1)(s-1)-(s+2)(s-4)(10a+8)(10a-8)+(4a-7)(4a-8)
(b+2)(b-2)31×29
(c+3)(c-3)(-2a+6b)(-2a-6b)
(2x+y)(2x-y)(a+b)(a-b)
(-9x+9y)(-9x-9y)(6x+7y)(-6x+7y)
(x+5)(x-5)-(x-8)(x-3)(b+1)(b-1)-(4b-9)(2b-2)
(s+5)(s-5)31×29
(s+5)(s-5)(-a+5)(-a-5)
(9x+y)(9x-y)(4a+8b)(4a-8b)
(x+y)(x-y)(9x+6y)(-9x+6y)
(y+4)(y-4)+(y-6)(y+6)(x+4)(x-4)+(4x-8)(4x-3)
(b+9)(b-9)73×67
(7t+8)(7t-8)(-8a+8b)(-8a-8b)
(9x+y)(9x-y)(a+b)(a-b)
(7x+8y)(7x-8y)(x+3y)(-x+3y)
(a+3)(a-3)+(a+5)(a+7)(s+4)(s-4)-(2s+4)(4s+7)
(x+9)(x-9)305×295
(y+10)(y-10)(5a+5)(5a-5)
(8x+7y)(8x-7y)(6+b)(6-b)
(-x+y)(-x-y)(7+4y)(-7+4y)
(y+7)(y-7)-(y-1)(y-3)(a+6)(a-6)-(3a-3)(4a+3)
(b+2)(b-2)82×78
(3b+2)(3b-2)(a+3)(a-3)
(x+6y)(x-6y)(a+b)(a-b)
(x+y)(x-y)(8+y)(-8+y)
(c+10)(c-10)+(c+4)(c+4)(s+8)(s-8)+(2s+9)(4s-5)
(x+5)(x-5)602×598
(y+9)(y-9)(-a+b)(-a-b)
(x+y)(x-y)(a+b)(a-b)
(x+y)(x-y)(x+y)(-x+y)
(t+10)(t-10)+(t+1)(t+6)(5s+4)(5s-4)-(4s+9)(2s+5)
(c+5)(c-5)62×58
(c+10)(c-10)(6a+3b)(6a-3b)
(4x+5y)(4x-5y)(a+b)(a-b)
(-9x+y)(-9x-y)(3+6y)(-3+6y)
(x+7)(x-7)-(x+8)(x-5)(4t+3)(4t-3)+(2t-6)(4t+9)
(a+3)(a-3)902×898
(c+6)(c-6)(-9a+b)(-9a-b)
(9x+7y)(9x-7y)(6+b)(6-b)
(x+6y)(x-6y)(x+2y)(-x+2y)
(y+7)(y-7)-(y+3)(y+6)(8c+8)(8c-8)+(2c-8)(4c+1)
(y+2)(y-2)105×95
(5t+7)(5t-7)(-a+4)(-a-4)
(x+8y)(x-8y)(8a+b)(8a-b)
(-x+y)(-x-y)(2x+9y)(-2x+9y)
(y+8)(y-8)-(y+2)(y-6)(c+5)(c-5)+(4c-1)(2c+6)
(x+7)(x-7)801×799
(a+7)(a-7)(-a+b)(-a-b)
(9x+y)(9x-y)(7a+b)(7a-b)
(-4x+y)(-4x-y)(5+y)(-5+y)
(a+7)(a-7)+(a-1)(a+1)(5t+4)(5t-4)-(3t-10)(2t+7)
(c+1)(c-1)703×697
(4a+1)(4a-1)(a+b)(a-b)
(2x+9y)(2x-9y)(6a+b)(6a-b)
(-x+y)(-x-y)(3x+8y)(-3x+8y)
(x+9)(x-9)+(x+6)(x+3)(a+2)(a-2)-(2a+1)(3a+9)
(x+7)(x-7)302×298
(4b+4)(4b-4)(3a+3)(3a-3)
(5x+3y)(5x-3y)(a+b)(a-b)
(-2x+5y)(-2x-5y)(1+y)(-1+y)
(t+1)(t-1)+(t-2)(t+6)(9y+8)(9y-8)+(2y+3)(3y-2)
(a+5)(a-5)504×496
(s+1)(s-1)(-a+b)(-a-b)
(8x+2y)(8x-2y)(5+8b)(5-8b)
(-x+4y)(-x-4y)(x+y)(-x+y)
(t+6)(t-6)-(t-6)(t+4)(8c+9)(8c-9)-(4c+7)(4c-7)
(c+9)(c-9)82×78
(4b+1)(4b-1)(-2a+3b)(-2a-3b)
(3x+y)(3x-y)(6+2b)(6-2b)
(-3x+y)(-3x-y)(7+y)(-7+y)
(x+2)(x-2)-(x-5)(x-8)(4y+7)(4y-7)-(2y+8)(4y+4)
(c+5)(c-5)304×296
(2t+6)(2t-6)(a+b)(a-b)
(8x+y)(8x-y)(2a+b)(2a-b)
(2x+y)(2x-y)(10+y)(-10+y)
(b+9)(b-9)+(b+2)(b+9)(3c+5)(3c-5)-(3c+1)(3c-2)
(t+2)(t-2)902×898
(5s+5)(5s-5)(-3a+8)(-3a-8)
(x+9y)(x-9y)(a+b)(a-b)
(-x+6y)(-x-6y)(x+3y)(-x+3y)
(t+3)(t-3)-(t+4)(t-1)(10a+3)(10a-3)-(2a+5)(3a+1)
(c+4)(c-4)305×295
(c+8)(c-8)(-a+b)(-a-b)
(x+2y)(x-2y)(3a+5b)(3a-5b)
(x+3y)(x-3y)(10+y)(-10+y)
(s+5)(s-5)-(s+2)(s-4)(s+4)(s-4)+(2s+10)(3s-7)
(b+2)(b-2)804×796
(5c+2)(5c-2)(6a+b)(6a-b)
(5x+y)(5x-y)(a+7b)(a-7b)
(x+7y)(x-7y)(4+4y)(-4+4y)
(y+7)(y-7)+(y-6)(y+9)(b+1)(b-1)-(3b-1)(4b-5)
(x+9)(x-9)701×699
(2s+8)(2s-8)(-2a+4b)(-2a-4b)
(4x+3y)(4x-3y)(8a+9b)(8a-9b)
(-5x+9y)(-5x-9y)(x+y)(-x+y)
(a+2)(a-2)+(a-9)(a-6)(c+8)(c-8)-(3c-2)(3c-2)
(x+1)(x-1)81×79
(5t+9)(5t-9)(-a+b)(-a-b)
(7x+4y)(7x-4y)(a+b)(a-b)
(-x+y)(-x-y)(x+y)(-x+y)
(t+6)(t-6)-(t-9)(t+9)(3y+8)(3y-8)+(2y+4)(4y-2)
(y+1)(y-1)302×298
(9t+5)(9t-5)(a+7)(a-7)
(x+7y)(x-7y)(9+3b)(9-3b)
(x+3y)(x-3y)(x+8y)(-x+8y)
(x+4)(x-4)+(x+7)(x+7)(3s+10)(3s-10)+(2s+1)(4s-10)
(y+6)(y-6)205×195
(8x+4)(8x-4)(-8a+2b)(-8a-2b)
(7x+y)(7x-y)(2a+b)(2a-b)
(6x+y)(6x-y)(8+8y)(-8+8y)
(s+8)(s-8)-(s-5)(s-7)(x+2)(x-2)+(2x+5)(4x+4)
(t+6)(t-6)53×47
(y+8)(y-8)(a+b)(a-b)
(2x+y)(2x-y)(4a+b)(4a-b)
(6x+y)(6x-y)(4x+y)(-4x+y)
(x+9)(x-9)+(x-8)(x+6)(10x+1)(10x-1)-(3x+4)(2x-8)
(s+6)(s-6)502×498
(a+9)(a-9)(-a+7b)(-a-7b)
(9x+4y)(9x-4y)(9+b)(9-b)
(2x+y)(2x-y)(9x+3y)(-9x+3y)
(x+10)(x-10)-(x-6)(x+6)(6c+5)(6c-5)-(4c-5)(3c-5)
(s+10)(s-10)902×898
(9t+10)(9t-10)(a+1)(a-1)
(8x+3y)(8x-3y)(10+3b)(10-3b)
(-9x+4y)(-9x-4y)(x+y)(-x+y)
(a+1)(a-1)-(a-4)(a+4)(8y+7)(8y-7)-(2y-3)(2y+5)
(y+2)(y-2)63×57
(2b+10)(2b-10)(a+8)(a-8)
(4x+9y)(4x-9y)(2a+b)(2a-b)
(-7x+y)(-7x-y)(x+y)(-x+y)
(y+10)(y-10)+(y-3)(y+2)(3a+9)(3a-9)+(4a+3)(3a+1)
(a+2)(a-2)65×55
(x+4)(x-4)(a+b)(a-b)
(2x+y)(2x-y)(a+4b)(a-4b)
(5x+3y)(5x-3y)(1+y)(-1+y)
(b+2)(b-2)-(b+2)(b+2)(5y+5)(5y-5)-(3y-2)(4y+4)
(t+3)(t-3)73×67
(2y+6)(2y-6)(-4a+2)(-4a-2)
(5x+y)(5x-y)(6+7b)(6-7b)
(-4x+4y)(-4x-4y)(x+5y)(-x+5y)
(a+2)(a-2)-(a-9)(a-5)(5x+3)(5x-3)+(4x-8)(2x+4)
(x+6)(x-6)51×49
(5x+10)(5x-10)(a+5)(a-5)
(x+y)(x-y)(8a+b)(8a-b)
(-x+7y)(-x-7y)(7+4y)(-7+4y)
(c+3)(c-3)+(c-4)(c-4)(y+3)(y-3)-(2y-6)(4y+6)
(s+4)(s-4)34×26
(8y+7)(8y-7)(-6a+b)(-6a-b)
(8x+y)(8x-y)(5+b)(5-b)
(x+6y)(x-6y)(2+y)(-2+y)
(a+4)(a-4)+(a+9)(a+9)(s+1)(s-1)+(4s-6)(4s-3)
(t+2)(t-2)32×28
(8x+2)(8x-2)(-4a+9b)(-4a-9b)
(6x+4y)(6x-4y)(5a+8b)(5a-8b)
(-8x+2y)(-8x-2y)(10+3y)(-10+3y)
(s+2)(s-2)+(s-8)(s-1)(a+2)(a-2)-(2a-2)(3a-6)
(b+8)(b-8)53×47
(7a+2)(7a-2)(7a+b)(7a-b)
(x+y)(x-y)(7+5b)(7-5b)
(8x+3y)(8x-3y)(9+y)(-9+y)
(y+6)(y-6)+(y-7)(y-1)(c+10)(c-10)-(4c-1)(3c+6)
(y+4)(y-4)53×47
(x+2)(x-2)(-6a+b)(-6a-b)
(x+5y)(x-5y)(6+7b)(6-7b)
(5x+y)(5x-y)(9x+7y)(-9x+7y)
(t+10)(t-10)-(t-2)(t+1)(a+6)(a-6)+(3a+1)(4a+8)
(x+2)(x-2)102×98
(2a+1)(2a-1)(a+3b)(a-3b)
(x+4y)(x-4y)(2+9b)(2-9b)
(-x+y)(-x-y)(3x+y)(-3x+y)
(s+6)(s-6)+(s+5)(s+9)(b+2)(b-2)+(2b-3)(2b+8)
(x+4)(x-4)302×298
(9c+6)(9c-6)(-a+8)(-a-8)
(x+y)(x-y)(a+7b)(a-7b)
(x+y)(x-y)(8x+y)(-8x+y)
(c+8)(c-8)+(c+8)(c+7)(b+7)(b-7)-(4b-6)(4b+9)
(a+7)(a-7)42×38
(8s+9)(8s-9)(a+7b)(a-7b)
(6x+y)(6x-y)(3+9b)(3-9b)
(-x+y)(-x-y)(x+3y)(-x+3y)
(y+5)(y-5)+(y-9)(y+5)(y+8)(y-8)+(2y-2)(4y+10)
(y+7)(y-7)95×85
(t+5)(t-5)(a+b)(a-b)
(x+y)(x-y)(a+b)(a-b)
(-4x+y)(-4x-y)(1+y)(-1+y)
(a+2)(a-2)+(a-5)(a-5)(y+5)(y-5)+(3y-9)(2y-5)
(t+6)(t-6)44×36
(4b+9)(4b-9)(-2a+2)(-2a-2)
(3x+6y)(3x-6y)(8a+b)(8a-b)
(-x+6y)(-x-6y)(4x+y)(-4x+y)
(s+1)(s-1)+(s+8)(s+6)(2c+4)(2c-4)+(2c-4)(4c-5)
(y+7)(y-7)402×398
(c+2)(c-2)(-2a+b)(-2a-b)
(x+y)(x-y)(7a+9b)(7a-9b)
(-x+y)(-x-y)(7x+6y)(-7x+6y)
(b+1)(b-1)+(b+7)(b-6)(2s+8)(2s-8)-(2s+7)(2s+5)
(c+7)(c-7)83×77
(t+4)(t-4)(-a+4)(-a-4)
(8x+8y)(8x-8y)(3+8b)(3-8b)
(x+y)(x-y)(7+y)(-7+y)
(y+9)(y-9)+(y-5)(y-8)(9y+8)(9y-8)-(2y+10)(4y+9)
(s+7)(s-7)63×57
(3a+6)(3a-6)(-a+8)(-a-8)
(3x+5y)(3x-5y)(8a+b)(8a-b)
(-3x+3y)(-3x-3y)(x+y)(-x+y)
(b+4)(b-4)-(b-5)(b+7)(10b+10)(10b-10)-(2b-2)(4b+6)
(t+1)(t-1)601×599
(a+10)(a-10)(-a+3)(-a-3)
(2x+y)(2x-y)(a+8b)(a-8b)
(3x+y)(3x-y)(x+8y)(-x+8y)
(x+8)(x-8)+(x+8)(x-1)(7c+3)(7c-3)+(3c-4)(3c-2)
(c+8)(c-8)301×299
(b+8)(b-8)(a+8)(a-8)
(6x+3y)(6x-3y)(a+b)(a-b)
(-4x+9y)(-4x-9y)(x+5y)(-x+5y)
(x+9)(x-9)+(x-4)(x-8)(a+6)(a-6)+(2a+4)(2a-7)
(a+8)(a-8)73×67
(x+10)(x-10)(2a+4b)(2a-4b)
(x+y)(x-y)(10+b)(10-b)
(-x+8y)(-x-8y)(x+8y)(-x+8y)
(c+7)(c-7)-(c+6)(c+2)(9t+9)(9t-9)-(2t+10)(2t-8)
(t+8)(t-8)402×398
(5b+1)(5b-1)(-a+b)(-a-b)
(8x+y)(8x-y)(a+4b)(a-4b)
(-x+4y)(-x-4y)(7x+y)(-7x+y)
(c+3)(c-3)-(c-8)(c-4)(y+8)(y-8)+(4y-7)(4y-10)
(t+4)(t-4)35×25
(2y+2)(2y-2)(4a+b)(4a-b)
(x+3y)(x-3y)(10+9b)(10-9b)
(-x+y)(-x-y)(9x+3y)(-9x+3y)
(t+6)(t-6)-(t+1)(t-5)(6x+1)(6x-1)-(3x+10)(4x+9)
(a+10)(a-10)403×397
(9x+7)(9x-7)(-a+5)(-a-5)
(x+7y)(x-7y)(3a+2b)(3a-2b)
(-x+y)(-x-y)(x+y)(-x+y)
(c+10)(c-10)+(c-7)(c-7)(2b+7)(2b-7)-(3b+7)(3b+8)
(t+4)(t-4)74×66
(4t+4)(4t-4)(5a+b)(5a-b)
(8x+9y)(8x-9y)(3+6b)(3-6b)
(-x+4y)(-x-4y)(7+4y)(-7+4y)
(a+1)(a-1)-(a+7)(a-2)(a+4)(a-4)+(3a+2)(2a+5)
(x+8)(x-8)605×595
(2t+5)(2t-5)(8a+b)(8a-b)
(3x+y)(3x-y)(5a+3b)(5a-3b)
(8x+y)(8x-y)(x+3y)(-x+3y)
(x+10)(x-10)-(x-2)(x+6)(y+4)(y-4)-(3y-9)(3y+9)
(b+6)(b-6)84×76
(2c+10)(2c-10)(-4a+b)(-4a-b)
(x+8y)(x-8y)(a+8b)(a-8b)
(x+y)(x-y)(x+y)(-x+y)
(y+5)(y-5)-(y-6)(y+6)(x+8)(x-8)-(4x-6)(3x-2)
(t+10)(t-10)65×55
(5c+9)(5c-9)(a+4b)(a-4b)
(7x+y)(7x-y)(3a+5b)(3a-5b)
(-6x+y)(-6x-y)(2x+y)(-2x+y)
(b+2)(b-2)+(b-1)(b+8)(