人教版初二数学上册乘法公式综合练习题精选24.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24.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24
1
(y+—)2(8x+7y)(-8x+7y)
5
63
(—x-—y)2(b+1)(b-1)+(2b+2)(2b+3)
52
(3x+y-1)(3x-y+1)(y+6)(y-6)
(a+b-2)2(9c+4)(9c-4)
(x+y+3)(x-y-3)(x+8y)(x-8y)
(-2x+4y)(-2x-4y)(a+8)(a-8)-(a-1)(a+7)
(s-3)2403×397
(-b-8)2(a+6)(a-6)
(-9x-3y)2(7+3b)(7-3b)
1
(y-—)2(x+7y)(-x+7y)
3
65
(—x-—)2(t+2)(t-2)+(2t+7)(3t+1)
54
(x+y-1)(x-y+1)(a+8)(a-8)
(2a-2b-1)2(3c+8)(3c-8)
(4x+2y+4)(4x-2y-4)(9x+9y)(9x-9y)
(-3x+9y)(-3x-9y)(s+9)(s-9)-(s-4)(s+8)
(c+8)2403×397
(a+2)2(-a+9)(-a-9)
(-7x+2y)2(4a+9b)(4a-9b)
1
(y+—)2(3+6y)(-3+6y)
6
31
(—x+—y)2(c+3)(c-3)+(4c+9)(4c-4)
22
(x+3y-3)(x-3y+3)(y+8)(y-8)
(2a-b+10)2(y+4)(y-4)
(x+y+4)(x-y-4)(x+y)(x-y)
(-7x+4y)(-7x-4y)(y+6)(y-6)-(y-7)(y-8)
(t+6)2203×197
(-5s-3)2(-7a+8b)(-7a-8b)
(x+3y)2(1+6b)(1-6b)
1
(y+—)2(x+y)(-x+y)
9
44
(—x-—)2(b+3)(b-3)-(4b-3)(3b-6)
33
(x+2y-8)(x-2y+8)(y+3)(y-3)
(2a+3b-6)2(6t+6)(6t-6)
(x+y+4)(x-y-4)(2x+y)(2x-y)
(-4x+4y)(-4x-4y)(y+9)(y-9)+(y-8)(y-7)
(s-1)263×57
(3b-7)2(a+3)(a-3)
(6x+y)2(a+3b)(a-3b)
1
(y-—)2(8+3y)(-8+3y)
9
41
(—x+—y)2(4y+7)(4y-7)-(2y+9)(3y+6)
52
(3x+y-1)(3x-y+1)(a+9)(a-9)
(2a-2b+c)2(7s+6)(7s-6)
(3x+y+z)(3x-y-z)(x+2y)(x-2y)
(-x+y)(-x-y)(t+3)(t-3)-(t-2)(t+3)
(a-4)2104×96
(x-6)2(-7a+7b)(-7a-7b)
(x+4y)2(8a+b)(8a-b)
1
(y-—)2(8+5y)(-8+5y)
4
25
(—x-—y)2(y+5)(y-5)-(2y+10)(4y-4)
34
(4x+y-1)(4x-y+1)(x+6)(x-6)
(2a-2b+c)2(a+10)(a-10)
(x+3y+z)(x-3y-z)(x+y)(x-y)
(-x+y)(-x-y)(a+9)(a-9)-(a+2)(a+3)
(y+2)294×86
(x+10)2(3a+8)(3a-8)
(-x-3y)2(9a+b)(9a-b)
1
(y-—)2(2+4y)(-2+4y)
2
66
(—x-—y)2(s+2)(s-2)+(3s-7)(2s-10)
55
(x+3y-2)(x-3y+2)(y+4)(y-4)
(2a+2b+c)2(a+8)(a-8)
(x+3y+z)(x-3y-z)(3x+2y)(3x-2y)
(-x+y)(-x-y)(b+9)(b-9)+(b+8)(b+3)
(b+1)2903×897
(2a+6)2(-a+8)(-a-8)
(-x+4y)2(a+3b)(a-3b)
1
(y-—)2(2+y)(-2+y)
4
23
(—x+—y)2(x+10)(x-10)+(3x+10)(4x-8)
34
(x+3y-3)(x-3y+3)(b+9)(b-9)
(2a+2b-c)2(b+5)(b-5)
(x+3y+z)(x-3y-z)(2x+5y)(2x-5y)
(-x+7y)(-x-7y)(x+8)(x-8)+(x+1)(x-5)
(b+6)2103×97
(4a+5)2(a+6)(a-6)
(x+3y)2(6+b)(6-b)
1
(y-—)2(x+y)(-x+y)
8
44
(—x-—y)2(b+4)(b-4)-(4b-1)(3b+9)
55
(5x+y-4)(5x-y+4)(b+8)(b-8)
(a+2b+10)2(t+9)(t-9)
(2x+3y+z)(2x-3y-z)(x+4y)(x-4y)
(-7x+y)(-7x-y)(y+3)(y-3)+(y+2)(y+8)
(t-2)285×75
(a-9)2(-a+8b)(-a-8b)
(8x-2y)2(5a+b)(5a-b)
1
(y-—)2(x+y)(-x+y)
9
61
(—x-—)2(x+3)(x-3)+(2x+3)(3x+3)
52
(x+y-9)(x-y+9)(s+7)(s-7)
(3a+3b+c)2(c+6)(c-6)
(4x+y+2)(4x-y-2)(2x+y)(2x-y)
(-2x+5y)(-2x-5y)(a+10)(a-10)+(a+1)(a-5)
(s-2)2404×396
(-5b+8)2(-a+5)(-a-5)
(x+4y)2(7+7b)(7-7b)
1
(y+—)2(3x+9y)(-3x+9y)
5
21
(—x-—)2(b+1)(b-1)-(3b+2)(2b+9)
35
(x+3y-2)(x-3y+2)(c+8)(c-8)
(a-b-2)2(7t+9)(7t-9)
(3x+y+4)(3x-y-4)(x+5y)(x-5y)
(9x+y)(9x-y)(s+2)(s-2)-(s+1)(s-2)
(b-6)275×65
(t-7)2(a+4)(a-4)
(-x+3y)2(2+3b)(2-3b)
1
(y-—)2(1+y)(-1+y)
3
14
(—x+—)2(c+10)(c-10)-(4c+1)(2c+5)
43
(4x+3y-3)(4x-3y+3)(s+6)(s-6)
(a+b-5)2(b+4)(b-4)
(x+2y+z)(x-2y-z)(x+y)(x-y)
(x+y)(x-y)(c+2)(c-2)-(c+3)(c+1)
(s-8)232×28
(-c-7)2(-a+6)(-a-6)
(5x-y)2(8+9b)(8-9b)
1
(y-—)2(x+9y)(-x+9y)
9
41
(—x+—)2(t+6)(t-6)+(4t+9)(3t-3)
34
(x+y-8)(x-y+8)(c+3)(c-3)
(2a-b-c)2(a+2)(a-2)
(x+3y+z)(x-3y-z)(x+3y)(x-3y)
(x+y)(x-y)(a+9)(a-9)-(a-5)(a-9)
(y+3)293×87
(y+8)2(a+7b)(a-7b)
(4x-2y)2(a+b)(a-b)
1
(y+—)2(x+3y)(-x+3y)
2
14
(—x-—)2(x+4)(x-4)+(2x+5)(2x-7)
55
(x+y-3)(x-y+3)(c+6)(c-6)
(a-3b+2)2(y+2)(y-2)
(2x+3y+z)(2x-3y-z)(6x+y)(6x-y)
(-3x+y)(-3x-y)(a+1)(a-1)-(a-6)(a-8)
(s-2)281×79
(-x-4)2(-a+b)(-a-b)
(x+y)2(6a+b)(6a-b)
1
(y+—)2(5+4y)(-5+4y)
3
31
(—x-—y)2(t+6)(t-6)-(2t-5)(3t+1)
22
(x+y-6)(x-y+6)(t+7)(t-7)
(a-3b+c)2(y+10)(y-10)
(x+y+z)(x-y-z)(x+2y)(x-2y)
(-3x+y)(-3x-y)(c+3)(c-3)+(c-5)(c+1)
(b-9)234×26
(-8b+5)2(a+2b)(a-2b)
(-5x+y)2(5+b)(5-b)
1
(y-—)2(x+2y)(-x+2y)
4
11
(—x-—)2(3y+2)(3y-2)+(2y-6)(4y+1)
45
(x+3y-5)(x-3y+5)(s+1)(s-1)
(a-3b+9)2(2s+8)(2s-8)
(3x+2y+z)(3x-2y-z)(5x+y)(5x-y)
(-x+7y)(-x-7y)(x+5)(x-5)-(x-2)(x-2)
(c+1)2402×398
(-4y-8)2(-a+8)(-a-8)
(-x+y)2(a+b)(a-b)
1
(y-—)2(5+y)(-5+y)
5
54
(—x-—y)2(b+10)(b-10)+(4b+1)(2b+7)
43
(x+2y-1)(x-2y+1)(c+3)(c-3)
(2a-b-9)2(9b+8)(9b-8)
(4x+3y+3)(4x-3y-3)(9x+9y)(9x-9y)
(x+7y)(x-7y)(t+7)(t-7)+(t+9)(t+7)
(t+2)233×27
(a-7)2(a+2)(a-2)
(-x+y)2(1+b)(1-b)
1
(y+—)2(7+4y)(-7+4y)
4
13
(—x-—y)2(a+7)(a-7)-(3a+3)(3a-9)
24
(5x+3y-6)(5x-3y+6)(s+4)(s-4)
(2a+b-8)2(b+5)(b-5)
(4x+y+z)(4x-y-z)(4x+y)(4x-y)
(x+3y)(x-3y)(x+4)(x-4)+(x-7)(x+3)
(y+10)2102×98
(y-8)2(-a+b)(-a-b)
(-9x+y)2(9a+b)(9a-b)
1
(y-—)2(6+6y)(-6+6y)
4
31
(—x-—)2(7s+1)(7s-1)-(3s+1)(2s-7)
45
(x+y-3)(x-y+3)(b+2)(b-2)
(2a-b+c)2(7x+3)(7x-3)
(4x+2y+3)(4x-2y-3)(5x+8y)(5x-8y)
(x+9y)(x-9y)(a+9)(a-9)+(a+8)(a-5)
(a-6)2405×395
(-y+9)2(-a+b)(-a-b)
(8x+y)2(a+b)(a-b)
1
(y-—)2(5x+y)(-5x+y)
2
11
(—x-—)2(s+7)(s-7)-(2s+1)(4s-2)
42
(3x+2y-7)(3x-2y+7)(t+6)(t-6)
(a+b-c)2(8x+3)(8x-3)
(x+y+z)(x-y-z)(x+3y)(x-3y)
(x+y)(x-y)(t+3)(t-3)+(t+8)(t+2)
(a+2)295×85
(c+9)2(5a+b)(5a-b)
(3x+2y)2(a+5b)(a-5b)
1
(y-—)2(x+y)(-x+y)
4
21
(—x-—y)2(s+8)(s-8)-(3s+10)(4s+10)
32
(4x+2y-4)(4x-2y+4)(x+9)(x-9)
(a+2b-7)2(s+3)(s-3)
(x+y+1)(x-y-1)(x+y)(x-y)
(2x+4y)(2x-4y)(b+10)(b-10)+(b-6)(b+3)
(y-1)274×66
(7y+1)2(-a+5)(-a-5)
(-x-2y)2(6a+6b)(6a-6b)
1
(y-—)2(4x+8y)(-4x+8y)
5
41
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