人教版初二数学上册乘法公式综合练习题精选50.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50.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50
(3a-2b-3)2(8y+4)(8y-4)
(x+y+3)(x-y-3)(x+4y)(x-4y)
(-x+2y)(-x-2y)(y+5)(y-5)+(y+8)(y+3)
(b-7)272×68
(y-4)2(-a+5b)(-a-5b)
(-9x+2y)2(5+7b)(5-7b)
1
(y-—)2(5x+y)(-5x+y)
9
11
(—x-—)2(t+10)(t-10)-(2t+6)(2t+4)
54
(x+3y-7)(x-3y+7)(s+10)(s-10)
(a-b-2)2(x+8)(x-8)
(x+3y+z)(x-3y-z)(x+y)(x-y)
(-5x+y)(-5x-y)(x+5)(x-5)-(x-1)(x-8)
(s-3)2705×695
(b+2)2(-9a+7)(-9a-7)
(-7x-4y)2(4+b)(4-b)
1
(y+—)2(10+3y)(-10+3y)
7
21
(—x+—y)2(9y+3)(9y-3)+(4y+8)(4y+3)
32
(x+y-1)(x-y+1)(b+7)(b-7)
(a+3b+c)2(3c+3)(3c-3)
(4x+2y+4)(4x-2y-4)(4x+8y)(4x-8y)
(-x+9y)(-x-9y)(t+6)(t-6)-(t+4)(t-3)
(y+10)2103×97
(-c-1)2(5a+6)(5a-6)
(-x+2y)2(9+4b)(9-4b)
1
(y-—)2(4+5y)(-4+5y)
2
43
(—x+—)2(7b+5)(7b-5)+(4b-8)(2b+4)
34
(3x+3y-6)(3x-3y+6)(y+10)(y-10)
(a+b+c)2(c+5)(c-5)
(4x+2y+z)(4x-2y-z)(3x+y)(3x-y)
(5x+y)(5x-y)(a+10)(a-10)+(a-4)(a+3)
(y+7)2604×596
(9b-6)2(-7a+6b)(-7a-6b)
(x-y)2(a+7b)(a-7b)
1
(y+—)2(7x+8y)(-7x+8y)
2
11
(—x+—y)2(s+1)(s-1)-(3s+3)(4s+7)
42
(x+y-4)(x-y+4)(a+1)(a-1)
(2a+2b+7)2(x+9)(x-9)
(x+y+3)(x-y-3)(x+y)(x-y)
(-x+y)(-x-y)(s+6)(s-6)+(s-7)(s-1)
(y+2)2203×197
(-3s-7)2(-7a+8)(-7a-8)
(x-y)2(6+7b)(6-7b)
1
(y+—)2(9+8y)(-9+8y)
5
11
(—x+—)2(x+9)(x-9)-(4x-1)(3x+5)
35
(x+y-6)(x-y+6)(t+5)(t-5)
(3a+2b-4)2(8t+7)(8t-7)
(3x+3y+z)(3x-3y-z)(x+y)(x-y)
(x+4y)(x-4y)(a+6)(a-6)+(a+7)(a+5)
(y-8)2303×297
(y+8)2(7a+6)(7a-6)
(-x-2y)2(a+b)(a-b)
1
(y+—)2(10+y)(-10+y)
2
13
(—x+—y)2(b+3)(b-3)+(4b-3)(4b+6)
24
(x+2y-4)(x-2y+4)(y+2)(y-2)
(3a+2b-3)2(8b+8)(8b-8)
(4x+y+z)(4x-y-z)(x+7y)(x-7y)
(4x+5y)(4x-5y)(y+6)(y-6)-(y-4)(y+3)
(y-5)2203×197
(5b-1)2(-7a+7)(-7a-7)
(3x+y)2(6a+b)(6a-b)
1
(y+—)2(8+y)(-8+y)
2
41
(—x+—)2(4x+3)(4x-3)-(2x-8)(2x-10)
32
(6x+y-4)(6x-y+4)(a+7)(a-7)
(2a-3b+9)2(7b+10)(7b-10)
(x+3y+1)(x-3y-1)(x+5y)(x-5y)
(-4x+y)(-4x-y)(b+10)(b-10)-(b+4)(b+5)
(a-6)294×86
(3c-9)2(a+b)(a-b)
(6x-y)2(a+b)(a-b)
1
(y+—)2(4x+y)(-4x+y)
3
11
(—x+—)2(x+2)(x-2)-(3x+7)(3x-4)
22
(x+2y-7)(x-2y+7)(a+6)(a-6)
(a+b-1)2(a+6)(a-6)
(4x+y+z)(4x-y-z)(6x+y)(6x-y)
(-x+6y)(-x-6y)(t+1)(t-1)-(t+1)(t-6)
(t-4)2101×99
(-b+4)2(-a+5b)(-a-5b)
(-6x+y)2(8a+3b)(8a-3b)
1
(y+—)2(10+4y)(-10+4y)
6
11
(—x+—)2(3x+5)(3x-5)-(4x+7)(2x-4)
22
(3x+3y-5)(3x-3y+5)(s+4)(s-4)
(a-2b+c)2(a+2)(a-2)
(x+2y+z)(x-2y-z)(9x+y)(9x-y)
(-7x+y)(-7x-y)(s+10)(s-10)+(s+3)(s+1)
(c-1)245×35
(-2y+8)2(9a+b)(9a-b)
(-x+2y)2(a+3b)(a-3b)
1
(y-—)2(4x+y)(-4x+y)
2
36
(—x-—y)2(c+10)(c-10)+(2c-5)(2c+8)
45
(x+y-8)(x-y+8)(x+10)(x-10)
(3a+3b+1)2(a+9)(a-9)
(x+y+z)(x-y-z)(x+9y)(x-9y)
(-6x+y)(-6x-y)(b+4)(b-4)+(b+8)(b-6)
(c+4)2604×596
(-9a-4)2(-a+7)(-a-7)
(-9x-y)2(7a+2b)(7a-2b)
1
(y+—)2(4+y)(-4+y)
9
61
(—x-—)2(y+9)(y-9)+(4y-10)(2y-9)
52
(5x+y-6)(5x-y+6)(t+3)(t-3)
(a-2b-c)2(9a+1)(9a-1)
(x+y+4)(x-y-4)(5x+5y)(5x-5y)
(x+2y)(x-2y)(c+7)(c-7)-(c-8)(c-2)
(y+6)281×79
(t-6)2(a+b)(a-b)
(-7x+3y)2(a+3b)(a-3b)
1
(y-—)2(10+8y)(-10+8y)
6
15
(—x+—)2(a+9)(a-9)-(3a+1)(3a+10)
34
(4x+y-4)(4x-y+4)(c+3)(c-3)
(a+3b-7)2(x+3)(x-3)
(2x+3y+4)(2x-3y-4)(6x+8y)(6x-8y)
(-4x+4y)(-4x-4y)(x+3)(x-3)+(x+9)(x-1)
(y-3)295×85
(c-7)2(-a+b)(-a-b)
(2x-y)2(a+9b)(a-9b)
1
(y-—)2(3x+y)(-3x+y)
8
13
(—x+—)2(2s+4)(2s-4)+(4s-3)(3s+4)
44
(x+y-4)(x-y+4)(s+7)(s-7)
(2a+2b-2)2(5y+4)(5y-4)
(x+3y+2)(x-3y-2)(x+y)(x-y)
(x+y)(x-y)(y+10)(y-10)-(y-9)(y-8)
(t-10)2704×696
(-c-4)2(5a+b)(5a-b)
(5x+y)2(6+9b)(6-9b)
1
(y+—)2(x+y)(-x+y)
4
12
(—x-—y)2(c+3)(c-3)-(3c+4)(3c+7)
23
(x+2y-6)(x-2y+6)(b+4)(b-4)
(3a-b-c)2(c+7)(c-7)
(4x+y+3)(4x-y-3)(2x+y)(2x-y)
(2x+3y)(2x-3y)(s+6)(s-6)+(s+2)(s+6)
(y+4)2601×599
(-2a-10)2(4a+4)(4a-4)
(2x+4y)2(a+b)(a-b)
1
(y-—)2(6+4y)(-6+4y)
3
61
(—x+—y)2(x+8)(x-8)+(3x+4)(4x-1)
54
(5x+2y-3)(5x-2y+3)(y+3)(y-3)
(a+2b+7)2(6b+10)(6b-10)
(3x+y+1)(3x-y-1)(x+6y)(x-6y)
(x+y)(x-y)(x+4)(x-4)-(x+5)(x+4)
(a+9)2501×499
(-3s-8)2(7a+8)(7a-8)
(5x+y)2(5+5b)(5-5b)
1
(y-—)2(8+y)(-8+y)
9
13
(—x+—)2(b+9)(b-9)-(4b-10)(4b-3)
22
(3x+3y-2)(3x-3y+2)(b+1)(b-1)
(2a+2b-c)2(5s+6)(5s-6)
(3x+2y+1)(3x-2y-1)(6x+6y)(6x-6y)
(x+y)(x-y)(y+3)(y-3)-(y-7)(y+4)
(x+10)2605×595
(-3b-1)2(-a+8)(-a-8)
(x+3y)2(4+4b)(4-4b)
1
(y+—)2(7+7y)(-7+7y)
2
11
(—x+—y)2(t+7)(t-7)+(2t+5)(2t-9)
25
(6x+3y-4)(6x-3y+4)(a+10)(a-10)
(3a+b+c)2(s+6)(s-6)
(x+y+3)(x-y-3)(7x+9y)(7x-9y)
(4x+4y)(4x-4y)(t+7)(t-7)+(t-2)(t+2)
(t-6)2505×495
(-5t+4)2(-9a+8)(-9a-8)
(7x+3y)2(3+3b)(3-3b)
1
(y-—)2(3x+y)(-3x+y)
5
32
(—x-—)2(b+2)(b-2)+(2b+2)(4b-6)
43
(2x+y-3)(2x-y+3)(b+9)(b-9)
(3a-2b-8)2(c+7)(c-7)
(x+3y+z)(x-3y-z)(4x+3y)(4x-3y)
(-x+y)(-x-y)(b+8)(b-8)+(b-6)(b-7)
(a-5)283×77
(-9a-8)2(a+1)(a-1)
(x-4y)2(a+3b)(a-3b)
1
(y-—)2(2+y)(-2+y)
9
14
(—x+—y)2(s+6)(s-6)-(4s-7)(3s-4)
25
(x+y-1)(x-y+1)(s+7)(s-7)
(a+2b+5)2(t+10)(t-10)
(2x+3y+2)(2x-3y-2)(x+2y)(x-2y)
(-x+y)(-x-y)(y+4)(y-4)-(y+9)(y-8)
(x-10)2704×696
(a-6)2(-9a+7b)(-9a-7b)
(-3x-y)2(a+b)(a-b)
1
(y+—)2(3+9y)(-3+9y)
9
31
(—x-—)2(4c+2)(4c-2)+(4c+9)(2c+10)
45
(6x+y-9)(6x-y+9)(x+8)(x-8)
(3a+b-c)2(t+7)(t-7)
(3x+y+z)(3x-y-z)(x+y)(x-y)
(6x+y)(6x-y)(x+6)(x-6)-(x-9)(x+9)
(a-10)251×49
(t-5)2(a+6)(a-6)
(-x+4y)2(10+5b)(10-5b)
1
(y-—)2(x+y)(-x+y)
9
61
(—x+—)2(9y+7)(9y-7)-(4y-2)(2y+6)
52
(x+3y-8)(x-3y+8)(a+4)(a-4)
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