人教版八年级数学上册乘法公式综合练习题精选146.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146
(c+2)(c-2)92×88
(b+2)(b-2)(-a+3b)(-a-3b)
(3x+y)(3x-y)(4a+7b)(4a-7b)
(-9x+6y)(-9x-6y)(3x+y)(-3x+y)
(s+3)(s-3)-(s+1)(s+3)(y+10)(y-10)+(4y-4)(3y+6)
(x+9)(x-9)71×69
(y+6)(y-6)(-a+2)(-a-2)
(8x+6y)(8x-6y)(3a+b)(3a-b)
(-6x+y)(-6x-y)(9+9y)(-9+9y)
(x+4)(x-4)-(x-7)(x-4)(a+7)(a-7)+(2a+9)(4a-10)
(s+1)(s-1)502×498
(5s+8)(5s-8)(a+4)(a-4)
(7x+5y)(7x-5y)(4+b)(4-b)
(6x+5y)(6x-5y)(7+y)(-7+y)
(c+3)(c-3)-(c+4)(c-7)(5y+5)(5y-5)+(4y-1)(4y-3)
(t+7)(t-7)503×497
(5c+3)(5c-3)(-4a+b)(-4a-b)
(5x+3y)(5x-3y)(2+b)(2-b)
(-3x+7y)(-3x-7y)(6+4y)(-6+4y)
(y+10)(y-10)-(y+9)(y-7)(a+5)(a-5)-(3a-4)(4a+6)
(t+4)(t-4)53×47
(y+3)(y-3)(7a+8b)(7a-8b)
(x+9y)(x-9y)(4+8b)(4-8b)
(-x+9y)(-x-9y)(1+y)(-1+y)
(s+5)(s-5)-(s+2)(s-8)(b+3)(b-3)+(3b+2)(3b-2)
(t+6)(t-6)92×88
(5s+10)(5s-10)(a+7b)(a-7b)
(3x+y)(3x-y)(4+9b)(4-9b)
(-5x+5y)(-5x-5y)(2+y)(-2+y)
(a+6)(a-6)-(a+2)(a+7)(b+6)(b-6)+(3b+2)(2b-1)
(s+5)(s-5)53×47
(s+8)(s-8)(a+8b)(a-8b)
(x+y)(x-y)(a+5b)(a-5b)
(-5x+3y)(-5x-3y)(9+6y)(-9+6y)
(s+1)(s-1)-(s+3)(s+6)(9s+9)(9s-9)+(2s-4)(2s+8)
(y+8)(y-8)84×76
(7t+5)(7t-5)(-6a+5)(-6a-5)
(2x+6y)(2x-6y)(a+9b)(a-9b)
(-6x+y)(-6x-y)(4x+y)(-4x+y)
(x+6)(x-6)-(x+9)(x+7)(4c+7)(4c-7)-(2c+5)(3c+3)
(t+10)(t-10)101×99
(s+3)(s-3)(a+b)(a-b)
(7x+y)(7x-y)(7+8b)(7-8b)
(9x+2y)(9x-2y)(6+8y)(-6+8y)
(x+3)(x-3)+(x-3)(x+8)(s+3)(s-3)+(2s+7)(3s-9)
(a+7)(a-7)504×496
(y+3)(y-3)(7a+8)(7a-8)
(3x+y)(3x-y)(2+b)(2-b)
(x+y)(x-y)(4+3y)(-4+3y)
(x+10)(x-10)+(x+4)(x+1)(a+5)(a-5)+(4a-2)(3a+3)
(b+1)(b-1)505×495
(a+2)(a-2)(-a+6)(-a-6)
(7x+7y)(7x-7y)(6+5b)(6-5b)
(x+y)(x-y)(5+5y)(-5+5y)
(b+7)(b-7)-(b-7)(b-3)(y+5)(y-5)+(4y-9)(4y+4)
(x+5)(x-5)204×196
(s+6)(s-6)(2a+5)(2a-5)
(x+y)(x-y)(5+b)(5-b)
(5x+6y)(5x-6y)(x+y)(-x+y)
(t+8)(t-8)-(t-2)(t+4)(8t+1)(8t-1)+(4t+6)(3t+9)
(y+9)(y-9)504×496
(9y+9)(9y-9)(-4a+b)(-4a-b)
(x+y)(x-y)(8a+2b)(8a-2b)
(6x+y)(6x-y)(x+y)(-x+y)
(a+7)(a-7)-(a-5)(a-4)(s+6)(s-6)+(2s-10)(2s-5)
(t+8)(t-8)601×599
(b+9)(b-9)(-2a+9b)(-2a-9b)
(8x+9y)(8x-9y)(5a+b)(5a-b)
(-x+y)(-x-y)(3+5y)(-3+5y)
(y+4)(y-4)-(y-3)(y-5)(5a+5)(5a-5)-(4a+5)(2a-3)
(s+4)(s-4)94×86
(s+7)(s-7)(-2a+6)(-2a-6)
(3x+y)(3x-y)(6+b)(6-b)
(-x+y)(-x-y)(x+y)(-x+y)
(b+10)(b-10)+(b-5)(b+7)(5c+1)(5c-1)+(2c+3)(4c-9)
(c+1)(c-1)901×899
(4a+8)(4a-8)(-a+7b)(-a-7b)
(3x+y)(3x-y)(10+6b)(10-6b)
(x+5y)(x-5y)(10+3y)(-10+3y)
(y+9)(y-9)-(y+6)(y+4)(5a+3)(5a-3)-(2a-10)(4a+5)
(a+9)(a-9)54×46
(4a+4)(4a-4)(-4a+4)(-4a-4)
(2x+3y)(2x-3y)(5a+7b)(5a-7b)
(-9x+y)(-9x-y)(x+y)(-x+y)
(t+2)(t-2)-(t-3)(t+9)(7a+6)(7a-6)-(3a-3)(2a+2)
(s+4)(s-4)101×99
(s+9)(s-9)(-4a+3)(-4a-3)
(4x+y)(4x-y)(2+b)(2-b)
(7x+y)(7x-y)(6+3y)(-6+3y)
(y+3)(y-3)+(y+5)(y-4)(s+8)(s-8)+(4s+10)(4s-8)
(x+7)(x-7)902×898
(t+5)(t-5)(-a+6b)(-a-6b)
(x+4y)(x-4y)(7a+b)(7a-b)
(-2x+7y)(-2x-7y)(10+y)(-10+y)
(x+3)(x-3)+(x-3)(x+4)(10b+6)(10b-6)-(3b+4)(3b+3)
(y+3)(y-3)903×897
(2s+3)(2s-3)(-a+4b)(-a-4b)
(x+y)(x-y)(6+4b)(6-4b)
(9x+4y)(9x-4y)(5+y)(-5+y)
(s+5)(s-5)-(s-8)(s-7)(10t+2)(10t-2)-(2t-1)(2t+3)
(t+9)(t-9)33×27
(5c+3)(5c-3)(-2a+6b)(-2a-6b)
(7x+3y)(7x-3y)(a+6b)(a-6b)
(5x+y)(5x-y)(x+2y)(-x+2y)
(a+6)(a-6)+(a+4)(a+1)(4s+6)(4s-6)-(4s-8)(3s+3)
(a+8)(a-8)401×399
(t+6)(t-6)(4a+5)(4a-5)
(x+y)(x-y)(4+3b)(4-3b)
(x+5y)(x-5y)(x+7y)(-x+7y)
(t+8)(t-8)+(t-6)(t+2)(y+7)(y-7)-(4y-10)(2y-10)
(c+3)(c-3)95×85
(b+9)(b-9)(7a+b)(7a-b)
(3x+6y)(3x-6y)(3+7b)(3-7b)
(-3x+5y)(-3x-5y)(2+y)(-2+y)
(y+2)(y-2)+(y-3)(y+4)(s+2)(s-2)-(2s+4)(3s+5)
(y+2)(y-2)302×298
(a+7)(a-7)(-3a+5)(-3a-5)
(5x+5y)(5x-5y)(a+b)(a-b)
(-x+y)(-x-y)(9x+y)(-9x+y)
(s+4)(s-4)-(s-9)(s-7)(10y+3)(10y-3)-(4y-7)(4y-3)
(x+8)(x-8)75×65
(2b+7)(2b-7)(a+7)(a-7)
(7x+5y)(7x-5y)(a+5b)(a-5b)
(-x+y)(-x-y)(3x+y)(-3x+y)
(s+9)(s-9)-(s-1)(s+7)(3t+10)(3t-10)+(4t+4)(2t+3)
(s+10)(s-10)704×696
(2b+1)(2b-1)(a+7)(a-7)
(x+y)(x-y)(9a+9b)(9a-9b)
(-2x+y)(-2x-y)(5x+y)(-5x+y)
(s+10)(s-10)-(s+1)(s-2)(8b+4)(8b-4)-(2b+9)(3b+1)
(s+7)(s-7)43×37
(8t+4)(8t-4)(7a+3)(7a-3)
(x+y)(x-y)(3a+b)(3a-b)
(x+y)(x-y)(x+y)(-x+y)
(c+10)(c-10)-(c-8)(c-2)(10a+9)(10a-9)+(3a+2)(4a-6)
(t+4)(t-4)83×77
(3c+8)(3c-8)(2a+4)(2a-4)
(4x+y)(4x-y)(1+3b)(1-3b)
(x+6y)(x-6y)(x+y)(-x+y)
(c+3)(c-3)-(c-7)(c-6)(t+2)(t-2)+(4t+5)(2t-9)
(t+9)(t-9)75×65
(b+1)(b-1)(a+4b)(a-4b)
(x+y)(x-y)(5+3b)(5-3b)
(x+y)(x-y)(6+9y)(-6+9y)
(t+1)(t-1)-(t+2)(t-5)(9s+3)(9s-3)-(3s+1)(4s+2)
(x+3)(x-3)65×55
(b+7)(b-7)(4a+5)(4a-5)
(x+7y)(x-7y)(9+b)(9-b)
(x+y)(x-y)(3+y)(-3+y)
(x+1)(x-1)-(x-8)(x+7)(4c+3)(4c-3)-(2c-9)(2c+2)
(t+3)(t-3)81×79
(x+6)(x-6)(9a+5)(9a-5)
(7x+5y)(7x-5y)(7a+b)(7a-b)
(7x+8y)(7x-8y)(2+y)(-2+y)
(x+10)(x-10)-(x-2)(x-4)(a+4)(a-4)-(4a+3)(4a-6)
(x+8)(x-8)903×897
(3c+3)(3c-3)(5a+1)(5a-1)
(5x+5y)(5x-5y)(10+7b)(10-7b)
(-x+3y)(-x-3y)(9+y)(-9+y)
(b+3)(b-3)+(b-4)(b-7)(4x+3)(4x-3)-(2x-9)(4x+5)
(b+8)(b-8)303×297
(a+5)(a-5)(4a+b)(4a-b)
(x+9y)(x-9y)(8+b)(8-b)
(6x+7y)(6x-7y)(4x+9y)(-4x+9y)
(x+6)(x-6)-(x-2)(x+2)(10s+7)(10s-7)+(3s+5)(2s+2)
(a+2)(a-2)104×96
(3y+6)(3y-6)(a+6b)(a-6b)
(x+8y)(x-8y)(a+6b)(a-6b)
(-3x+y)(-3x-y)(x+y)(-x+y)
(c+6)(c-6)+(c+8)(c-9)(t+4)(t-4)-(4t+5)(2t-10)
(s+6)(s-6)63×57
(9x+7)(9x-7)(-2a+b)(-2a-b)
(x+6y)(x-6y)(3+8b)(3-8b)
(-9x+7y)(-9x-7y)(4x+4y)(-4x+4y)
(b+4)(b-4)-(b-5)(b-1)(7y+2)(7y-2)-(2y+2)(3y-10)
(t+3)(t-3)904×896
(4t+10)(4t-10)(-a+4b)(-a-4b)
(2x+7y)(2x-7y)(3+b)(3-b)
(2x+y)(2x-y)(10+y)(-10+y)
(s+7)(s-7)+(s+8)(s-6)(2t+6)(2t-6)-(4t+7)(2t+6)
(a+2)(a-2)71×69
(b+5)(b-5)(-a+4b)(-a-4b)
(x+y)(x-y)(6+b)(6-b)
(-3x+y)(-3x-y)(7+y)(-7+y)
(t+7)(t-7)-(t-9)(t+3)(a+9)(a-9)-(4a+2)(4a+7)
(x+4)(x-4)403×397
(x+9)(x-9)(5a+b)(5a-b)
(x+4y)(x-4y)(8+8b)(8-8b)
(9x+y)(9x-y)(x+y)(-x+y)
(a+6)(a-6)+(a-9)(a-5)(4x+6)(4x-6)+(3x+10)(3x+1)
(a+10)(a-10)65×55
(4a+1)(4a-1)(4a+1)(4a-1)
(2x+y)(2x-y)(8a+6b)(8a-6b)
(x+y)(x-y)(8+y)(-8+y)
(s+2)(s-2)-(s-6)(s-7)(5a+8)(5a-8)-(3a-4)(3a-9)
(a+4)(a-4)104×96
(a+2)(a-2)(-7a+7b)(-7a-7b)
(7x+y)(7x-y)(1+5b)(1-5b)
(4x+y)(4x-y)(x+9y)(-x+9y)
(c+9)(c-9)+(c+6)(c-1)(5c+3)(5c-3)-(3c-2)(3c-9)
(y+1)(y-1)81×79
(x+10)(x-10)(7a+8)(7a-8)
(3x+y)(3x-y)(3+9b)(3-9b)
(x+y)(x-y)(1+2y)(-1+2y)
(c+6)(c-6)-(c+8)(c-3)(y+8)(y-8)+(4y-8)(2y-7)
(s+5)(s-5)42×38
(c+7)(c-7)(-8a+7)(-8a-7)
(x+3y)(x-3y)(3a+3b)(3a-3b)
(-5x+7y)(-5x-7y)(x+5y)(-x+5y)
(y+6)(y-6)-(y-8)(y+1)(b+3)(b-3)+(4b+10)(4b-1)
(a+1)(a-1)31×29
(9t+10)(9t-10)(a+3)(a-3)
(x+7y)(x-7y)(a+4b)(a-4b)
(-5x+y)(-5x-y)(8+y)(-8+y)
(a+3)(a-3)-(a-4)(a+8)(7c+1)(7c-1)+(2c-10)(3c-2)
(t+9)(t-9)61×59
(b+5)(b-5)(9a+5)(9a-5)
(x+9y)(x-9y)(1+b)(1-b)
(-3x+y)(-3x-y)(6+y)(-6+y)
(c+6)(c-6)-(c+7)(c+3)(a+10)(a-10)-(4a-1)(4a-2)
(c+4)(c-4)44×36
(s+1)(s-1)(-3a+6b)(-3a-6b)
(x+5y)(x-5y)(8a+3b)(8a-3b)
(-x+4y)(-x-4y)(4x+y)(-4x+y)
(s+3)(s-3)-(s+9)(s-1)(y+8)(y-8)+(2y+1)(2y+6)
(s+2)(s-2)81×79
(a+6)(a-6)(7a+8b)(7a-8b)
(x+8y)(x-8y)(4+9b)(4-9b)
(x+y)(x-y)(5+6y)(-5+6y)
(t+10)(t-10)-(t+2)(t+3)(6a+8)(6a-8)-(2a-2)(2a+10)
(s+10)(s-10)702×698
(6c+8)(6c-8)(a+6)(a-6)
(2x+y)(2x-y)(5a+2b)(5a-2b)
(x+2y)(x-2y)(2+y)(-2+y)
(b+3)(b-3)+(b+2)(b-8)(10x+8)(10x-8)-(4x+10)(3x-2)
(s+2)(s-2)701×699
(y+9)(y-9)(-a+6)(-a-6)
(8x+7y)(8x-7y)(a+6b)(a-6b)
(-9x+y)(-9x-y)(x+y)(-x+y)
(x+10)(x-10)+(x+2)(x-6)(a+9)(a-9)-(4a+6)(4a-2)
(c+3)(c-3)94×86
(b+1)(b-1)(7a+4)(7a-4)
(x+5y)(x-5y)(8a+b)(8a-b)
(-x+4y)(-x-4y)(x+2y)(-x+2y)
(t+2)(t-2)+(t+7)(t+6)(6a+8)(6a-8)-(3a-7)(4a-5)
(t+5)(t-5)55×45
(b+5)(b-5)(a+8)(a-8)
(x+9y)(x-9y)(5a+9b)(5a-9b)
(-x+y)(-x-y)(x+5y)(-x+5y)
(a+1)(a-1)-(a+3)(a-8)(b+6)(b-6)+(2b+4)(3b+10)
(c+4)(c-4)603×597
(8s+1)(8s-1)(-7a+1)(-7a-1)
(x+9y)(x-9y)(6+b)(6-b)
(-x+y)(-x-y)(3+y)(-3+y)
(s+3)(s-3)-(s+4)(s-3)(10t+4)(10t-4)-(3t-5)(4t-5)
(s+8)(s-8)602×598
(2s+8)(2s-8)(-7a+5b)(-7a-5b)
(x+y)(x-y)(4+b)(4-b)
(-x+4y)(-x-4y)(4+4y)(-4+4y)
(a+1)(a-1)-(a+8)(a-4)(t+10)(t-10)-(2t-8)(4t-6)
(a+2)(a-2)601×599
(3x+6)(3x-6)(-6a+5b)(-6a-5b)
(8x+7y)(8x-7y)(7+b)(7-b)
(x+y)(x-y)(x+y)(-x+y)
(y+10)(y-10)+(y+1)(y+8)(a+4)(a-4)+(2a+5)(2a-3)
(a+7)(a-7)603×597
(y+1)(y-1)(a+3)(a-3)
(x+y)(x-y)(5+3b)(5-3b)
(x+y)(x-y)(9x+y)(-9x+y)
(s+8)(s-8)-(s-6)(s-2)(6b+10)(6b-10)-(4b-2)(3b-1)
(x+10)(x-10)604×596
(t+1)(t-1)(9a+2b)(9a-2b)
(x+2y)(x-2y)(8+b)(8-b)
(-9x+y)(-9x-y)(4+y)(-4+y)
(y+4)(y-4)+(y-8)(y+4)(b+1)(b-1)-(3b-4)(3b-9)
(b+9)(b-9)94×86
(s+5)(s-5)(-a+6b)(-a-6b)
(x+6y)(x-6y)(7+b)(7-b)
(x+y)(x-y)(6x+6y)(-6x+6y)
(x+4)(x-4)-(x-1)(x-6)(9c+2)(9c-2)+(2c+1)(2c+3)
(b+3)(b-3)905×895
(5b+5)(5b-5)(8a+3)(8a-3)
(5x+y)(5x-y)(a+9b)(a-9b)
(-8x+6y)(-8x-6y)(4+2y)(-4+2y)
(b+5)(b-5)-(b+7)(b-2)(b+6)(b-6)+