人教版初二数学上册乘法公式综合练习题精选7.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7.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7
(b-7)234×26
(-t+10)2(a+6)(a-6)
(x-3y)2(10+3b)(10-3b)
1
(y-—)2(3+y)(-3+y)
5
53
(—x+—)2(c+8)(c-8)-(4c+6)(4c-3)
42
(x+3y-1)(x-3y+1)(t+5)(t-5)
(a+b+c)2(a+5)(a-5)
(2x+y+z)(2x-y-z)(x+6y)(x-6y)
(-7x+6y)(-7x-6y)(b+2)(b-2)-(b+4)(b-9)
(a+6)2402×398
(-t+6)2(-a+7b)(-a-7b)
(-4x+3y)2(7+5b)(7-5b)
1
(y-—)2(5x+6y)(-5x+6y)
5
15
(—x-—y)2(8a+5)(8a-5)-(4a+10)(3a-10)
34
(x+y-4)(x-y+4)(x+6)(x-6)
(a-3b+c)2(a+6)(a-6)
(4x+2y+z)(4x-2y-z)(x+y)(x-y)
(9x+y)(9x-y)(c+8)(c-8)+(c-2)(c+5)
(c-10)233×27
(y-10)2(-a+3)(-a-3)
(3x-4y)2(8+b)(8-b)
1
(y+—)2(8+5y)(-8+5y)
9
31
(—x+—y)2(x+1)(x-1)+(2x+6)(3x+9)
22
(2x+2y-2)(2x-2y+2)(x+9)(x-9)
(a+b+c)2(8t+7)(8t-7)
(4x+y+4)(4x-y-4)(x+4y)(x-4y)
(x+y)(x-y)(b+1)(b-1)-(b+1)(b-2)
(a+8)2603×597
(-9b-4)2(a+7)(a-7)
(9x-2y)2(3+b)(3-b)
1
(y+—)2(x+7y)(-x+7y)
7
11
(—x+—)2(y+10)(y-10)-(3y+6)(2y+6)
32
(x+3y-5)(x-3y+5)(t+9)(t-9)
(3a+b-8)2(9t+3)(9t-3)
(2x+y+z)(2x-y-z)(x+y)(x-y)
(-x+3y)(-x-3y)(s+6)(s-6)-(s+5)(s+5)
(t-5)243×37
(-9x-2)2(a+2b)(a-2b)
(9x-4y)2(a+7b)(a-7b)
1
(y-—)2(x+9y)(-x+9y)
6
31
(—x+—)2(a+6)(a-6)-(4a+9)(2a-6)
45
(x+2y-2)(x-2y+2)(x+3)(x-3)
(2a-3b-c)2(y+9)(y-9)
(x+y+z)(x-y-z)(x+y)(x-y)
(-5x+4y)(-5x-4y)(t+9)(t-9)+(t-7)(t-7)
(x+4)291×89
(b-8)2(-2a+b)(-2a-b)
(x+y)2(2a+6b)(2a-6b)
1
(y-—)2(x+8y)(-x+8y)
8
62
(—x-—)2(s+2)(s-2)+(3s-8)(4s-6)
53
(x+y-3)(x-y+3)(y+10)(y-10)
(2a-3b-c)2(5x+1)(5x-1)
(2x+2y+4)(2x-2y-4)(x+y)(x-y)
(x+y)(x-y)(s+1)(s-1)-(s-9)(s+4)
(s-6)2804×796
(-y-8)2(-a+9)(-a-9)
(5x-y)2(3+4b)(3-4b)
1
(y-—)2(x+3y)(-x+3y)
2
35
(—x-—y)2(y+10)(y-10)+(3y-10)(4y+5)
24
(x+3y-8)(x-3y+8)(c+7)(c-7)
(a+b-c)2(3s+10)(3s-10)
(x+3y+z)(x-3y-z)(x+8y)(x-8y)
(8x+y)(8x-y)(c+6)(c-6)+(c-9)(c-5)
(s-10)2301×299
(-5c+1)2(-a+6b)(-a-6b)
(-x+4y)2(8a+b)(8a-b)
1
(y+—)2(9+y)(-9+y)
6
65
(—x+—y)2(7x+2)(7x-2)-(2x+3)(4x-10)
54
(x+y-7)(x-y+7)(x+9)(x-9)
(3a-b+9)2(c+8)(c-8)
(3x+y+z)(3x-y-z)(7x+2y)(7x-2y)
(6x+y)(6x-y)(b+5)(b-5)+(b-5)(b+2)
(x+9)282×78
(-x-4)2(-6a+b)(-6a-b)
(-x-y)2(4+6b)(4-6b)
1
(y+—)2(x+y)(-x+y)
7
41
(—x+—)2(c+3)(c-3)+(2c-8)(3c-3)
52
(x+3y-8)(x-3y+8)(s+4)(s-4)
(a+b-c)2(c+4)(c-4)
(2x+3y+1)(2x-3y-1)(3x+y)(3x-y)
(-2x+y)(-2x-y)(y+5)(y-5)+(y-4)(y-2)
(s+8)242×38
(-5b+2)2(-a+2)(-a-2)
(-9x-4y)2(a+8b)(a-8b)
1
(y+—)2(7+9y)(-7+9y)
9
13
(—x-—)2(x+4)(x-4)-(4x+8)(2x+1)
54
(2x+3y-9)(2x-3y+9)(y+9)(y-9)
(2a-3b-5)2(3t+8)(3t-8)
(x+y+z)(x-y-z)(6x+y)(6x-y)
(-9x+3y)(-9x-3y)(x+6)(x-6)-(x-5)(x-4)
(c-5)2905×895
(-b+8)2(-a+4b)(-a-4b)
(x-4y)2(6+b)(6-b)
1
(y+—)2(2+y)(-2+y)
5
16
(—x-—)2(b+9)(b-9)+(4b-1)(3b-2)
25
(x+y-7)(x-y+7)(s+3)(s-3)
(2a-b-c)2(9t+4)(9t-4)
(x+y+1)(x-y-1)(x+4y)(x-4y)
(x+y)(x-y)(c+4)(c-4)-(c-7)(c+9)
(s-8)231×29
(5x+8)2(9a+2)(9a-2)
(-x-y)2(10+8b)(10-8b)
1
(y-—)2(x+7y)(-x+7y)
5
14
(—x-—)2(c+9)(c-9)+(4c+6)(2c+6)
35
(2x+y-5)(2x-y+5)(t+10)(t-10)
(a-2b+c)2(6y+5)(6y-5)
(3x+3y+4)(3x-3y-4)(9x+y)(9x-y)
(-2x+4y)(-2x-4y)(b+4)(b-4)+(b-4)(b+7)
(s-7)2401×399
(-s-10)2(5a+b)(5a-b)
(-x-y)2(10+b)(10-b)
1
(y-—)2(6+2y)(-6+2y)
6
21
(—x-—y)2(5y+2)(5y-2)-(4y-8)(3y-8)
33
(x+y-6)(x-y+6)(a+6)(a-6)
(3a+b-c)2(b+1)(b-1)
(3x+3y+3)(3x-3y-3)(x+y)(x-y)
(-x+8y)(-x-8y)(y+3)(y-3)+(y-8)(y-8)
(c+5)2301×299
(-y-6)2(-a+4)(-a-4)
(x-y)2(a+2b)(a-2b)
1
(y-—)2(5+y)(-5+y)
6
62
(—x-—y)2(b+2)(b-2)+(2b-10)(4b-1)
53
(x+3y-6)(x-3y+6)(s+6)(s-6)
(2a-3b-6)2(3a+5)(3a-5)
(4x+2y+z)(4x-2y-z)(x+y)(x-y)
(8x+y)(8x-y)(t+8)(t-8)-(t-6)(t-2)
(y+9)275×65
(-x+7)2(6a+2)(6a-2)
(x-y)2(4+8b)(4-8b)
1
(y-—)2(5+8y)(-5+8y)
5
51
(—x+—y)2(10a+9)(10a-9)-(3a-10)(3a+2)
45
(2x+y-6)(2x-y+6)(x+3)(x-3)
(a-b-10)2(s+2)(s-2)
(2x+y+z)(2x-y-z)(x+6y)(x-6y)
(-4x+6y)(-4x-6y)(t+6)(t-6)+(t+8)(t-9)
(y+5)253×47
(x-7)2(9a+4)(9a-4)
(x-3y)2(a+3b)(a-3b)
1
(y+—)2(1+8y)(-1+8y)
3
12
(—x+—y)2(5s+10)(5s-10)+(3s+5)(4s+9)
43
(5x+y-6)(5x-y+6)(b+7)(b-7)
(3a-3b-1)2(5t+7)(5t-7)
(4x+3y+2)(4x-3y-2)(x+y)(x-y)
(-x+y)(-x-y)(x+2)(x-2)-(x+4)(x+6)
(a+8)2403×397
(-4a+7)2(a+5b)(a-5b)
(-x-4y)2(1+b)(1-b)
1
(y+—)2(7x+8y)(-7x+8y)
8
11
(—x+—y)2(b+8)(b-8)-(3b-4)(4b+7)
54
(x+y-1)(x-y+1)(s+7)(s-7)
(3a-2b-6)2(b+7)(b-7)
(x+y+4)(x-y-4)(x+8y)(x-8y)
(2x+y)(2x-y)(a+3)(a-3)-(a-2)(a-1)
(s+10)2201×199
(-b-6)2(-7a+4b)(-7a-4b)
(-8x+2y)2(5+4b)(5-4b)
1
(y+—)2(7+y)(-7+y)
2
32
(—x-—)2(10y+6)(10y-6)-(3y+7)(3y+1)
43
(6x+y-4)(6x-y+4)(a+8)(a-8)
(2a-3b-c)2(a+10)(a-10)
(x+3y+2)(x-3y-2)(x+7y)(x-7y)
(-7x+y)(-7x-y)(t+2)(t-2)-(t+9)(t+4)
(y+7)244×36
(t+5)2(-2a+6b)(-2a-6b)
(2x+y)2(2+b)(2-b)
1
(y+—)2(7+3y)(-7+3y)
8
11
(—x+—y)2(4s+1)(4s-1)+(4s+3)(4s+3)
52
(x+y-3)(x-y+3)(s+5)(s-5)
(2a-b+c)2(2c+8)(2c-8)
(x+y+z)(x-y-z)(7x+8y)(7x-8y)
(x+y)(x-y)(s+4)(s-4)+(s+3)(s-2)
(b+2)293×87
(-5x+6)2(-a+7)(-a-7)
(3x-y)2(6+7b)(6-7b)
1
(y+—)2(x+6y)(-x+6y)
6
11
(—x-—)2(8y+9)(8y-9)-(4y-1)(2y-1)
35
(4x+y-3)(4x-y+3)(a+4)(a-4)
(3a+b+8)2(a+8)(a-8)
(x+y+3)(x-y-3)(5x+3y)(5x-3y)
(x+3y)(x-3y)(a+1)(a-1)-(a-3)(a-7)
(t+1)231×29
(-8a+10)2(-a+7)(-a-7)
(8x+y)2(3+6b)(3-6b)
1
(y-—)2(5+8y)(-5+8y)
7
66
(—x-—y)2(2y+5)(2y-5)+(3y+4)(2y+10)
55
(4x+2y-2)(4x-2y+2)(x+7)(x-7)
(3a-b-8)2(3x+1)(3x-1)
(x+y+z)(x-y-z)(4x+6y)(4x-6y)
(3x+y)(3x-y)(s+5)(s-5)-(s+5)(s-6)
(b+8)281×79
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