人教版八年级数学上册乘法公式综合练习题精选35Word文档格式.docx
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(-7x+y)(-7x-y)(3+5y)(-3+5y)
(y+4)(y-4)+(y+8)(y-8)(9s+2)(9s-2)+(2s+2)(3s-6)
(t+2)(t-2)44×
(t+5)(t-5)(6a+b)(6a-b)
(x+y)(x-y)(a+7b)(a-7b)
(9x+y)(9x-y)(10+2y)(-10+2y)
(b+1)(b-1)+(b-2)(b-8)(6t+2)(6t-2)-(3t-2)(4t+9)
(a+5)(a-5)33×
27
(4y+5)(4y-5)(a+b)(a-b)
(x+y)(x-y)(a+4b)(a-4b)
(-9x+y)(-9x-y)(7+y)(-7+y)
(s+1)(s-1)-(s+5)(s-3)(t+10)(t-10)-(4t-10)(3t+7)
(y+4)(y-4)504×
496
(5t+1)(5t-1)(-a+b)(-a-b)
(9x+8y)(9x-8y)(9a+b)(9a-b)
(-x+6y)(-x-6y)(6+7y)(-6+7y)
(s+4)(s-4)-(s+6)(s-4)(2x+10)(2x-10)+(3x+8)(4x+4)
(c+1)(c-1)604×
596
(c+5)(c-5)(3a+b)(3a-b)
(x+y)(x-y)(a+5b)(a-5b)
(x+y)(x-y)(10+4y)(-10+4y)
(y+2)(y-2)-(y-6)(y+7)(2y+2)(2y-2)+(4y+8)(3y-8)
(c+1)(c-1)902×
898
(7b+1)(7b-1)(-a+3)(-a-3)
(x+4y)(x-4y)(a+9b)(a-9b)
(-x+3y)(-x-3y)(8+6y)(-8+6y)
(x+10)(x-10)+(x-4)(x-9)(x+6)(x-6)-(2x-7)(3x-2)
(s+2)(s-2)705×
695
(x+5)(x-5)(a+4)(a-4)
(5x+8y)(5x-8y)(7+b)(7-b)
(x+6y)(x-6y)(10+4y)(-10+4y)
(a+1)(a-1)-(a-2)(a+6)(8t+2)(8t-2)-(4t-6)(3t-8)
(y+1)(y-1)95×
85
(t+5)(t-5)(-9a+9)(-9a-9)
(6x+y)(6x-y)(4+6b)(4-6b)
(x+8y)(x-8y)(x+y)(-x+y)
(x+10)(x-10)-(x-4)(x+9)(y+8)(y-8)-(2y+8)(2y-3)
(s+5)(s-5)904×
896
(b+10)(b-10)(-a+5)(-a-5)
(5x+y)(5x-y)(7+8b)(7-8b)
(x+y)(x-y)(2x+6y)(-2x+6y)
(b+5)(b-5)+(b+9)(b+3)(7y+8)(7y-8)-(4y+6)(4y-5)
(x+7)(x-7)55×
45
(c+9)(c-9)(-a+b)(-a-b)
(x+y)(x-y)(5+8b)(5-8b)
(5x+8y)(5x-8y)(x+y)(-x+y)
(c+4)(c-4)-(c-6)(c-8)(x+7)(x-7)+(3x-5)(3x-4)
(t+9)(t-9)72×
68
(4a+8)(4a-8)(7a+7)(7a-7)
(2x+y)(2x-y)(6+2b)(6-2b)
(-8x+y)(-8x-y)(1+y)(-1+y)
(y+3)(y-3)+(y+9)(y-1)(7c+5)(7c-5)-(3c+1)(4c+2)
(t+4)(t-4)45×
35
(b+2)(b-2)(-a+8)(-a-8)
(7x+7y)(7x-7y)(a+b)(a-b)
(2x+y)(2x-y)(x+5y)(-x+5y)
(y+6)(y-6)+(y-9)(y-2)(9y+8)(9y-8)-(2y-8)(2y+8)
(y+9)(y-9)64×
56
(y+5)(y-5)(4a+2b)(4a-2b)
(6x+4y)(6x-4y)(2a+b)(2a-b)
(6x+2y)(6x-2y)(x+y)(-x+y)
(a+7)(a-7)+(a+8)(a-2)(s+10)(s-10)-(4s+4)(4s+3)
(b+5)(b-5)81×
79
(y+10)(y-10)(-2a+4)(-2a-4)
(x+y)(x-y)(1+7b)(1-7b)
(-x+9y)(-x-9y)(3x+y)(-3x+y)
(b+9)(b-9)+(b-2)(b-1)(b+10)(b-10)+(2b+7)(3b+1)
(c+8)(c-8)505×
495
(2s+1)(2s-1)(-a+9)(-a-9)
(8x+y)(8x-y)(a+b)(a-b)
(x+9y)(x-9y)(4x+9y)(-4x+9y)
(a+4)(a-4)-(a-6)(a-7)(6b+9)(6b-9)-(4b+5)(3b-9)
(a+4)(a-4)303×
297
(8b+1)(8b-1)(3a+1)(3a-1)
(x+y)(x-y)(2+b)(2-b)
(x+2y)(x-2y)(3+y)(-3+y)
(y+8)(y-8)+(y-9)(y+9)(10b+6)(10b-6)+(3b-8)(3b+9)
(c+8)(c-8)74×
66
(b+3)(b-3)(8a+b)(8a-b)
(4x+y)(4x-y)(3a+b)(3a-b)
(x+y)(x-y)(10+y)(-10+y)
(s+2)(s-2)-(s-6)(s-4)(2t+1)(2t-1)-(2t+3)(3t+2)
(y+7)(y-7)101×
99
(b+10)(b-10)(-a+8)(-a-8)
(x+4y)(x-4y)(4+b)(4-b)
(-x+6y)(-x-6y)(x+7y)(-x+7y)
(y+5)(y-5)-(y+4)(y+4)(y+10)(y-10)-(2y+5)(4y-6)
(x+7)(x-7)804×
796
(a+3)(a-3)(8a+b)(8a-b)
(x+y)(x-y)(3+3b)(3-3b)
(-x+5y)(-x-5y)(x+4y)(-x+4y)
(c+1)(c-1)+(c-6)(c-7)(10c+6)(10c-6)-(3c+3)(2c+1)
(s+7)(s-7)94×
86
(4b+6)(4b-6)(-a+b)(-a-b)
(4x+y)(4x-y)(5a+b)(5a-b)
(7x+y)(7x-y)(x+7y)(-x+7y)
(b+2)(b-2)-(b+9)(b+1)(a+3)(a-3)+(4a-10)(2a-10)
(c+5)(c-5)203×
197
(8c+9)(8c-9)(-a+1)(-a-1)
(x+3y)(x-3y)(a+7b)(a-7b)
(-6x+9y)(-6x-9y)(x+y)(-x+y)
(x+5)(x-5)-(x+2)(x-8)(t+3)(t-3)-(3t+1)(4t+6)
(b+8)(b-8)55×
(2c+10)(2c-10)(-a+b)(-a-b)
(x+3y)(x-3y)(3+3b)(3-3b)
(-x+y)(-x-y)(6+y)(-6+y)
(x+1)(x-1)-(x+6)(x+6)(x+8)(x-8)-(3x-1)(2x-6)
(y+6)(y-6)75×
65
(4s+6)(4s-6)(2a+8)(2a-8)
(x+5y)(x-5y)(7+b)(7-b)
(-x+7y)(-x-7y)(4x+3y)(-4x+3y)
(a+3)(a-3)+(a+6)(a-6)(3x+6)(3x-6)-(3x+6)(3x+6)
(x+3)(x-3)32×
28
(4a+4)(4a-4)(-8a+7)(-8a-7)
(x+y)(x-y)(9+b)(9-b)
(-7x+y)(-7x-y)(x+9y)(-x+9y)
(s+6)(s-6)+(s-6)(s+2)(5b+10)(5b-10)-(3b+3)(2b+5)
(x+7)(x-7)44×
(2t+8)(2t-8)(-6a+7)(-6a-7)
(8x+y)(8x-y)(a+4b)(a-4b)
(x+y)(x-y)(8x+y)(-8x+y)
(s+2)(s-2)+(s+9)(s+8)(4s+3)(4s-3)+(2s+6)(4s+1)
(b+3)(b-3)205×
195
(s+2)(s-2)(-7a+b)(-7a-b)
(x+y)(x-y)(a+6b)(a-6b)
(-5x+8y)(-5x-8y)(4x+9y)(-4x+9y)
(x+8)(x-8)+(x+3)(x-7)(a+3)(a-3)+(3a-5)(3a-10)
(b+4)(b-4)802×
798
(c+9)(c-9)(a+b)(a-b)
(x+8y)(x-8y)(8a+b)(8a-b)
(4x+5y)(