人教版初二数学上册乘法公式综合练习题精选52.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52
(t+8)264×56
(2s-3)2(2a+b)(2a-b)
(-8x+y)2(1+3b)(1-3b)
1
(y+—)2(8+9y)(-8+9y)
6
15
(—x-—y)2(s+3)(s-3)+(2s+2)(3s+10)
24
(x+y-2)(x-y+2)(t+7)(t-7)
(2a-b+4)2(a+6)(a-6)
(3x+2y+1)(3x-2y-1)(8x+8y)(8x-8y)
(3x+y)(3x-y)(y+5)(y-5)-(y+7)(y-9)
(x+6)2103×97
(-6s-4)2(a+9)(a-9)
(x+3y)2(6+b)(6-b)
1
(y-—)2(2+3y)(-2+3y)
3
33
(—x+—)2(a+1)(a-1)+(2a+4)(3a+7)
22
(x+2y-9)(x-2y+9)(y+6)(y-6)
(a-2b+3)2(7y+1)(7y-1)
(2x+3y+z)(2x-3y-z)(x+y)(x-y)
(x+3y)(x-3y)(y+10)(y-10)-(y-7)(y-2)
(s+9)282×78
(s+2)2(5a+1)(5a-1)
(-x-4y)2(10+3b)(10-3b)
1
(y+—)2(x+y)(-x+y)
8
15
(—x-—)2(5x+7)(5x-7)-(2x+9)(4x+5)
44
(x+3y-8)(x-3y+8)(b+1)(b-1)
(a+b+c)2(a+1)(a-1)
(x+3y+4)(x-3y-4)(x+y)(x-y)
(x+y)(x-y)(b+10)(b-10)-(b+6)(b+9)
(c-4)2604×596
(-6x+10)2(8a+b)(8a-b)
(-2x+y)2(8a+7b)(8a-7b)
1
(y+—)2(6+6y)(-6+6y)
8
13
(—x+—)2(t+3)(t-3)-(2t-9)(4t+10)
22
(x+y-7)(x-y+7)(a+9)(a-9)
(a+3b+c)2(b+1)(b-1)
(x+2y+z)(x-2y-z)(x+6y)(x-6y)
(-7x+y)(-7x-y)(s+7)(s-7)-(s+3)(s-6)
(s+7)2504×496
(-c-3)2(-5a+6b)(-5a-6b)
(-x-y)2(a+2b)(a-2b)
1
(y+—)2(x+3y)(-x+3y)
3
13
(—x+—)2(7s+8)(7s-8)+(2s+7)(4s+2)
22
(x+y-5)(x-y+5)(b+8)(b-8)
(3a+b+c)2(7b+5)(7b-5)
(4x+2y+1)(4x-2y-1)(x+y)(x-y)
(-7x+4y)(-7x-4y)(y+7)(y-7)+(y-1)(y-1)
(t+6)2504×496
(a+9)2(-a+4b)(-a-4b)
(-x-3y)2(10+b)(10-b)
1
(y-—)2(3+y)(-3+y)
8
61
(—x+—y)2(8t+8)(8t-8)-(2t+8)(4t-4)
55
(4x+y-4)(4x-y+4)(b+6)(b-6)
(2a-3b+c)2(c+4)(c-4)
(x+y+3)(x-y-3)(8x+y)(8x-y)
(-4x+5y)(-4x-5y)(y+5)(y-5)+(y-3)(y-2)
(a-6)244×36
(y+4)2(-a+8)(-a-8)
(4x+2y)2(3a+b)(3a-b)
1
(y+—)2(x+y)(-x+y)
9
61
(—x+—)2(s+6)(s-6)-(2s+6)(2s+3)
52
(6x+3y-7)(6x-3y+7)(t+2)(t-2)
(2a-2b-10)2(7x+6)(7x-6)
(4x+y+z)(4x-y-z)(2x+y)(2x-y)
(-5x+3y)(-5x-3y)(x+8)(x-8)+(x-4)(x-7)
(c-4)2805×795
(-8s-8)2(-9a+4)(-9a-4)
(x+4y)2(4+7b)(4-7b)
1
(y-—)2(7+y)(-7+y)
7
64
(—x+—y)2(y+9)(y-9)-(3y+6)(3y-3)
53
(3x+y-1)(3x-y+1)(a+9)(a-9)
(a+b-c)2(b+9)(b-9)
(2x+y+4)(2x-y-4)(x+6y)(x-6y)
(-x+y)(-x-y)(t+10)(t-10)-(t+4)(t+5)
(a-8)2103×97
(-s-4)2(a+2)(a-2)
(-3x-2y)2(8a+4b)(8a-4b)
1
(y+—)2(8x+y)(-8x+y)
2
11
(—x+—)2(10c+1)(10c-1)-(2c-9)(3c-8)
44
(2x+y-9)(2x-y+9)(y+7)(y-7)
(a-b-c)2(x+9)(x-9)
(4x+2y+z)(4x-2y-z)(3x+y)(3x-y)
(8x+8y)(8x-8y)(s+7)(s-7)+(s+3)(s-6)
(c-4)2403×397
(s-10)2(-a+6b)(-a-6b)
(-x-3y)2(10+9b)(10-9b)
1
(y+—)2(3+y)(-3+y)
9
44
(—x-—)2(x+8)(x-8)-(2x+1)(4x-2)
53
(6x+3y-2)(6x-3y+2)(b+3)(b-3)
(3a-2b-5)2(4a+7)(4a-7)
(x+2y+z)(x-2y-z)(x+y)(x-y)
(-x+y)(-x-y)(c+5)(c-5)-(c+9)(c+2)
(x-9)234×26
(b-4)2(3a+9b)(3a-9b)
(7x+4y)2(4+9b)(4-9b)
1
(y-—)2(x+8y)(-x+8y)
5
31
(—x-—y)2(c+10)(c-10)+(3c+5)(4c+7)
42
(x+y-6)(x-y+6)(s+1)(s-1)
(a-b-6)2(b+5)(b-5)
(x+2y+z)(x-2y-z)(7x+y)(7x-y)
(4x+9y)(4x-9y)(a+1)(a-1)-(a-8)(a-8)
(t+1)2303×297
(2t-6)2(-5a+2)(-5a-2)
(-9x-4y)2(6a+b)(6a-b)
1
(y-—)2(5+9y)(-5+9y)
3
25
(—x-—y)2(b+5)(b-5)+(4b-9)(2b+2)
34
(x+y-1)(x-y+1)(c+7)(c-7)
(3a-3b+c)2(x+2)(x-2)
(x+2y+z)(x-2y-z)(9x+y)(9x-y)
(-x+y)(-x-y)(x+9)(x-9)+(x-4)(x-6)
(s+7)294×86
(y-5)2(-9a+6b)(-9a-6b)
(-x-2y)2(a+b)(a-b)
1
(y-—)2(x+2y)(-x+2y)
3
12
(—x+—y)2(t+6)(t-6)-(3t+4)(3t+5)
53
(4x+y-5)(4x-y+5)(t+5)(t-5)
(a-2b-c)2(5b+3)(5b-3)
(3x+y+z)(3x-y-z)(5x+2y)(5x-2y)
(x+4y)(x-4y)(c+2)(c-2)+(c+6)(c-1)
(x+7)2605×595
(a-5)2(-a+2)(-a-2)
(x-y)2(8a+6b)(8a-6b)
1
(y+—)2(6+6y)(-6+6y)
3
23
(—x+—y)2(t+3)(t-3)+(3t+1)(4t-10)
34
(3x+y-9)(3x-y+9)(a+4)(a-4)
(2a+b-c)2(y+7)(y-7)
(x+2y+2)(x-2y-2)(x+7y)(x-7y)
(x+y)(x-y)(x+3)(x-3)-(x+4)(x+8)
(b-1)2501×499
(-s-10)2(2a+3)(2a-3)
(-3x+4y)2(8+b)(8-b)
1
(y+—)2(9x+2y)(-9x+2y)
3
46
(—x+—)2(c+9)(c-9)-(3c-5)(2c+2)
55
(5x+2y-2)(5x-2y+2)(y+8)(y-8)
(a+b+9)2(s+5)(s-5)
(x+3y+z)(x-3y-z)(x+4y)(x-4y)
(5x+7y)(5x-7y)(b+3)(b-3)-(b+1)(b-2)
(t+9)2704×696
(s+2)2(-a+b)(-a-b)
(x-y)2(10+b)(10-b)
1
(y+—)2(2+3y)(-2+3y)
4
11
(—x-—y)2(10x+3)(10x-3)+(4x+4)(3x+4)
22
(4x+2y-5)(4x-2y+5)(b+5)(b-5)
(3a-2b+2)2(y+10)(y-10)
(x+y+z)(x-y-z)(x+8y)(x-8y)
(x+6y)(x-6y)(y+4)(y-4)+(y+4)(y-5)
(s-7)2202×198
(a+1)2(a+5)(a-5)
(-x+3y)2(5a+b)(5a-b)
1
(y+—)2(5x+y)(-5x+y)
3
12
(—x+—y)2(a+8)(a-8)-(4a-10)(3a+4)
33
(x+y-9)(x-y+9)(t+3)(t-3)
(2a-b-c)2(2c+8)(2c-8)
(x+3y+z)(x-3y-z)(5x+9y)(5x-9y)
(x+y)(x-y)(b+5)(b-5)+(b-7)(b+1)
(a-3)2301×299
(-6t-2)2(-a+b)(-a-b)
(-3x-y)2(9a+9b)(9a-9b)
1
(y+—)2(1+y)(-1+y)
7
11
(—x+—y)2(8s+5)(8s-5)-(2s-5)(3s+2)
32
(x+y-1)(x-y+1)(b+3)(b-3)
(a-3b+7)2(t+10)(t-10)
(3x+3y+1)(3x-3y-1)(5x+y)(5x-y)
(-2x+7y)(-2x-7y)(y+7)(y-7)+(y-5)(y-5)
(b-6)242×38
(-b-9)2(-2a+5)(-2a-5)
(-2x-y)2(a+3b)(a-3b)
1
(y-—)2(5+y)(-5+y)
4
11
(—x-—y)2(3s+10)(3s-10)-(3s+6)(3s-1)
45
(x+y-8)(x-y+8)(c+1)(c-1)
(3a-2b-c)2(s+3)(s-3)
(2x+y+z)(2x-y-z)(x+3y)(x-3y)
(-x+y)(-x-y)(b+3)(b-3)+(b-3)(b-4)
(x+10)234×26
(b+7)2(-2a+7)(-2a-7)
(-x+y)2(a+b)(a-b)
1
(y-—)2(2x+y)(-2x+y)
2
41
(—x-—)2(y+4)(y-4)-(3y+10)(3y+9)
54
(x+3y-9)(x-3y+9)(b+5)(b-5)
(3a-b+c)2(a+7)(a-7)
(4x+2y+4)(4x-2y-4)(7x+8y)(7x-8y)
(-x+9y)(-x-9y)(y+6)(y-6)-(y-6)(y+1)
(b-1)293×87
(a-4)2(-9a+b)(-9a-b)
(-x+3y)2(a+7b)(a-7b)
1
(y-—)2(3+y)(-3+y)
4
45
(—x+—)2(9a+3)(9a-3)+(2a-10)(4a-10)
54
(5x+3y-3)(5x-3y+3)(b+5)(b-5)
(a+2b-4)2(t+7)(t-7)
(x+3y+z)(x-3y-z)(x+y)(x-y)
(3x+3y)(3x-3y)(c+1)(c-1)+(c-1)(c-2)
(s-2)2