人教版初二数学上册乘法公式综合练习题精选4.docx
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人教版初二数学上册乘法公式综合练习题精选4.docx
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人教版初二数学上册乘法公式综合练习题精选4
(b-6)233×27
(-y-5)2(6a+5b)(6a-5b)
(-8x-y)2(5+b)(5-b)
1
(y+—)2(5+y)(-5+y)
9
15
(—x+—)2(7t+3)(7t-3)-(4t-4)(2t-6)
54
(5x+y-5)(5x-y+5)(x+6)(x-6)
(2a+b+c)2(c+7)(c-7)
(x+3y+z)(x-3y-z)(x+y)(x-y)
(-x+y)(-x-y)(b+10)(b-10)-(b+4)(b-2)
(t+8)283×77
(-c-5)2(a+4b)(a-4b)
(x+y)2(8a+5b)(8a-5b)
1
(y+—)2(4x+7y)(-4x+7y)
2
11
(—x-—y)2(y+6)(y-6)+(3y-4)(2y-10)
42
(x+2y-2)(x-2y+2)(t+4)(t-4)
(a-2b+c)2(4b+1)(4b-1)
(4x+3y+1)(4x-3y-1)(6x+2y)(6x-2y)
(x+y)(x-y)(y+5)(y-5)-(y+4)(y+7)
(y-10)281×79
(-3s+7)2(a+7)(a-7)
(x+2y)2(a+b)(a-b)
1
(y+—)2(x+2y)(-x+2y)
6
11
(—x+—y)2(9c+6)(9c-6)+(2c+3)(2c+10)
22
(x+3y-7)(x-3y+7)(c+8)(c-8)
(2a+2b+c)2(y+9)(y-9)
(2x+3y+3)(2x-3y-3)(3x+7y)(3x-7y)
(6x+6y)(6x-6y)(t+5)(t-5)+(t-4)(t+1)
(a+4)234×26
(-6t-3)2(-3a+7b)(-3a-7b)
(8x+y)2(1+b)(1-b)
1
(y+—)2(10+4y)(-10+4y)
2
15
(—x-—)2(a+1)(a-1)+(3a-9)(3a+1)
54
(4x+3y-9)(4x-3y+9)(t+3)(t-3)
(3a-b-c)2(c+9)(c-9)
(x+2y+1)(x-2y-1)(x+y)(x-y)
(-5x+3y)(-5x-3y)(y+1)(y-1)+(y+7)(y+7)
(a+7)284×76
(c+5)2(a+3)(a-3)
(-x+2y)2(a+2b)(a-2b)
1
(y+—)2(4+y)(-4+y)
9
22
(—x+—y)2(8t+10)(8t-10)-(2t+6)(3t-7)
33
(x+y-5)(x-y+5)(c+8)(c-8)
(2a+2b+c)2(s+4)(s-4)
(x+y+z)(x-y-z)(9x+7y)(9x-7y)
(-2x+y)(-2x-y)(t+6)(t-6)+(t-2)(t-9)
(y-6)2901×899
(y+1)2(-a+7)(-a-7)
(x-2y)2(a+b)(a-b)
1
(y+—)2(6+y)(-6+y)
7
36
(—x-—y)2(b+1)(b-1)+(4b+2)(3b-6)
45
(x+y-8)(x-y+8)(a+4)(a-4)
(3a+3b+10)2(c+3)(c-3)
(2x+3y+z)(2x-3y-z)(5x+7y)(5x-7y)
(3x+y)(3x-y)(b+7)(b-7)+(b-1)(b-9)
(c-5)2105×95
(s+7)2(9a+4)(9a-4)
(5x+y)2(a+b)(a-b)
1
(y-—)2(x+y)(-x+y)
8
11
(—x-—y)2(8b+5)(8b-5)+(3b-6)(4b-10)
52
(x+y-7)(x-y+7)(c+4)(c-4)
(3a+b-1)2(7x+7)(7x-7)
(4x+y+3)(4x-y-3)(x+8y)(x-8y)
(x+3y)(x-3y)(c+8)(c-8)+(c+1)(c+9)
(c-10)2505×495
(-a+5)2(7a+b)(7a-b)
(-9x-y)2(5+5b)(5-5b)
1
(y-—)2(x+y)(-x+y)
8
14
(—x-—y)2(a+3)(a-3)-(4a-7)(4a+2)
33
(x+y-8)(x-y+8)(s+9)(s-9)
(a+b+c)2(2s+7)(2s-7)
(x+y+2)(x-y-2)(x+3y)(x-3y)
(6x+5y)(6x-5y)(t+5)(t-5)+(t+6)(t+6)
(s+4)2804×796
(-2s+1)2(9a+2)(9a-2)
(7x-4y)2(a+8b)(a-8b)
1
(y-—)2(5+7y)(-5+7y)
2
14
(—x+—)2(s+6)(s-6)-(4s+7)(2s+10)
25
(3x+y-5)(3x-y+5)(c+4)(c-4)
(a+2b-c)2(9x+5)(9x-5)
(x+3y+1)(x-3y-1)(6x+2y)(6x-2y)
(2x+y)(2x-y)(t+3)(t-3)+(t+2)(t-8)
(s+6)284×76
(-8t-10)2(2a+3)(2a-3)
(-x-3y)2(a+b)(a-b)
1
(y-—)2(x+5y)(-x+5y)
8
11
(—x-—)2(b+4)(b-4)-(4b-8)(2b+2)
23
(5x+2y-1)(5x-2y+1)(s+1)(s-1)
(3a+b-5)2(a+5)(a-5)
(2x+y+1)(2x-y-1)(8x+7y)(8x-7y)
(x+8y)(x-8y)(b+1)(b-1)-(b-9)(b-8)
(c+10)252×48
(a+9)2(-7a+2)(-7a-2)
(x+3y)2(7+8b)(7-8b)
1
(y-—)2(x+5y)(-x+5y)
3
13
(—x+—)2(4s+9)(4s-9)+(4s+6)(3s-2)
52
(x+3y-1)(x-3y+1)(s+3)(s-3)
(2a-2b+c)2(a+1)(a-1)
(3x+y+3)(3x-y-3)(x+y)(x-y)
(-x+y)(-x-y)(y+7)(y-7)-(y-3)(y-5)
(s+3)285×75
(-x+9)2(a+1)(a-1)
(-x-3y)2(7+b)(7-b)
1
(y+—)2(8+9y)(-8+9y)
9
51
(—x+—y)2(5a+10)(5a-10)+(3a-5)(4a-6)
42
(x+y-7)(x-y+7)(a+10)(a-10)
(a-b+c)2(2s+6)(2s-6)
(3x+y+3)(3x-y-3)(x+6y)(x-6y)
(-5x+5y)(-5x-5y)(b+10)(b-10)-(b+8)(b+4)
(t+1)2202×198
(-3y-8)2(-a+9b)(-a-9b)
(4x+4y)2(10+b)(10-b)
1
(y-—)2(4+3y)(-4+3y)
3
14
(—x+—)2(b+3)(b-3)+(3b+2)(2b+8)
35
(4x+y-3)(4x-y+3)(b+9)(b-9)
(2a+2b+c)2(t+7)(t-7)
(x+y+2)(x-y-2)(x+y)(x-y)
(x+5y)(x-5y)(y+7)(y-7)-(y-1)(y-4)
(a+1)2403×397
(-a-9)2(3a+1)(3a-1)
(5x-3y)2(a+b)(a-b)
1
(y-—)2(5x+y)(-5x+y)
5
16
(—x-—y)2(6b+6)(6b-6)+(3b-4)(2b-10)
35
(x+y-9)(x-y+9)(y+7)(y-7)
(3a-b-9)2(x+10)(x-10)
(4x+y+z)(4x-y-z)(x+8y)(x-8y)
(-7x+6y)(-7x-6y)(t+9)(t-9)-(t-2)(t+9)
(t-4)285×75
(t+1)2(a+3)(a-3)
(-9x+3y)2(4+6b)(4-6b)
1
(y-—)2(7+3y)(-7+3y)
2
41
(—x+—)2(4y+7)(4y-7)-(3y+2)(4y+7)
52
(x+2y-7)(x-2y+7)(b+10)(b-10)
(3a+2b+2)2(a+6)(a-6)
(2x+3y+4)(2x-3y-4)(7x+6y)(7x-6y)
(-x+3y)(-x-3y)(y+10)(y-10)+(y-4)(y-9)
(y+3)2904×896
(s+1)2(5a+b)(5a-b)
(-5x-y)2(a+b)(a-b)
1
(y+—)2(5+y)(-5+y)
3
35
(—x+—)2(b+2)(b-2)-(3b-5)(2b-8)
44
(4x+y-9)(4x-y+9)(c+1)(c-1)
(a-b+c)2(y+7)(y-7)
(x+y+3)(x-y-3)(x+4y)(x-4y)
(x+6y)(x-6y)(s+5)(s-5)-(s-4)(s+6)
(b-7)263×57
(-5c-4)2(a+b)(a-b)
(-4x-y)2(a+b)(a-b)
1
(y-—)2(x+y)(-x+y)
3
41
(—x+—y)2(8b+10)(8b-10)-(3b-10)(3b+1)
53
(x+y-4)(x-y+4)(b+10)(b-10)
(2a+3b+10)2(b+3)(b-3)
(4x+y+z)(4x-y-z)(9x+9y)(9x-9y)
(-x+2y)(-x-2y)(x+9)(x-9)-(x-3)(x+3)
(a-3)281×79
(c-2)2(-9a+6)(-9a-6)
(3x+y)2(a+5b)(a-5b)
1
(y+—)2(9x+8y)(-9x+8y)
4
11
(—x-—y)2(5s+8)(5s-8)-(2s-9)(2s-1)
23
(x+3y-7)(x-3y+7)(t+6)(t-6)
(a+3b-c)2(3t+2)(3t-2)
(x+y+z)(x-y-z)(x+y)(x-y)
(7x+y)(7x-y)(s+3)(s-3)-(s+9)(s-3)
(y+3)232×28
(-7t-7)2(-7a+2)(-7a-2)
(2x+y)2(6+b)(6-b)
1
(y-—)2(3x+6y)(-3x+6y)
3
13
(—x+—y)2(8y+6)(8y-6)+(2y+10)(3y+2)
24
(x+3y-5)(x-3y+5)(a+4)(a-4)
(2a-b+5)2(a+1)(a-1)
(x+3y+1)(x-3y-1)(6x+5y)(6x-5y)
(3x+8y)(3x-8y)(x+10)(x-10)+(x-8)(x+5)
(x+1)2805×795
(-a-10)2(a+8)(a-8)
(9x+3y)2(a+6b)(a-6b)
1
(y-—)2(5+y)(-5+y)
2
11
(—x+—)2(7a+3)(7a-3)-(4a+9)(3a+8)
32
(2x+3y-7)(2x-3y+7)(t+2)(t-2)
(a-b-c)2(x+2)(x-2)
(x+y+4)(x-y-4)(6x+y)(6x-y)
(-x+5y)(-x-5y)(y+5)(y-5)-(y+5)(y+2)
(y-4)252×48
(x+2)2(5a+8)(5a-8)
(-x-2y)2(7a+b)(7a-b)
1
(y-—)2(5+4y)(-5+4y)
7
31
(—x-—)2(10b+1)(10b-1)-(4b-2)(4b-5)
24
(3x+2y-6)(3x-2y+6)(t+9)(t-9)
(3a+3b-4)2(9a+3)(9a-3)
(2x+3y+z)(2x-3y-z)(5x+6y)(5x-6y)
(2x+y)(2x-y)(y+3)(y-3)+(y+6)(y-1)
(c-4)291×89
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