人教版初二数学上册乘法公式综合练习题精选22.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22
(s-7)2104×96
(y-2)2(-3a+4b)(-3a-4b)
(x+y)2(6+8b)(6-8b)
1
(y+—)2(x+y)(-x+y)
6
42
(—x-—y)2(4x+4)(4x-4)-(2x+10)(3x-9)
53
(x+3y-5)(x-3y+5)(b+4)(b-4)
(3a-b-8)2(5b+3)(5b-3)
(4x+y+z)(4x-y-z)(8x+9y)(8x-9y)
(-x+9y)(-x-9y)(b+8)(b-8)+(b+2)(b+6)
(a+10)2801×799
(-c+3)2(a+7b)(a-7b)
(-8x-y)2(5a+b)(5a-b)
1
(y-—)2(2+y)(-2+y)
7
15
(—x+—y)2(8t+1)(8t-1)+(2t-1)(2t+2)
24
(x+y-5)(x-y+5)(c+9)(c-9)
(3a+b+c)2(b+1)(b-1)
(x+y+3)(x-y-3)(x+8y)(x-8y)
(-x+6y)(-x-6y)(y+2)(y-2)-(y-2)(y-5)
(y+8)2901×899
(y+6)2(-a+9b)(-a-9b)
(-x+y)2(4a+6b)(4a-6b)
1
(y-—)2(7x+4y)(-7x+4y)
6
11
(—x-—y)2(9x+6)(9x-6)-(4x+3)(4x-8)
25
(x+y-6)(x-y+6)(b+2)(b-2)
(a+3b+1)2(9c+6)(9c-6)
(x+y+1)(x-y-1)(5x+9y)(5x-9y)
(-x+5y)(-x-5y)(a+8)(a-8)+(a+5)(a+9)
(s-3)294×86
(c+5)2(-3a+b)(-3a-b)
(x-4y)2(2+8b)(2-8b)
1
(y+—)2(x+8y)(-x+8y)
7
11
(—x+—)2(3b+5)(3b-5)+(4b-7)(3b+3)
53
(x+2y-3)(x-2y+3)(y+2)(y-2)
(3a-b-c)2(6c+6)(6c-6)
(x+3y+2)(x-3y-2)(4x+y)(4x-y)
(4x+y)(4x-y)(t+2)(t-2)-(t-4)(t+3)
(t+5)291×89
(9x+4)2(9a+3b)(9a-3b)
(-6x+y)2(3a+5b)(3a-5b)
1
(y-—)2(2x+2y)(-2x+2y)
3
21
(—x-—)2(2b+5)(2b-5)+(4b+8)(4b-2)
34
(x+y-6)(x-y+6)(t+8)(t-8)
(a+3b-c)2(3s+8)(3s-8)
(3x+3y+z)(3x-3y-z)(7x+y)(7x-y)
(3x+y)(3x-y)(a+10)(a-10)+(a+5)(a+7)
(b-7)251×49
(-s+4)2(6a+9)(6a-9)
(-x+4y)2(7+7b)(7-7b)
1
(y-—)2(7x+8y)(-7x+8y)
5
11
(—x+—y)2(2y+4)(2y-4)+(4y+8)(3y-3)
32
(5x+y-6)(5x-y+6)(t+10)(t-10)
(3a-b-6)2(7c+10)(7c-10)
(2x+y+z)(2x-y-z)(2x+8y)(2x-8y)
(-x+y)(-x-y)(s+10)(s-10)-(s-6)(s+1)
(x-3)261×59
(x-4)2(a+b)(a-b)
(x-y)2(8+6b)(8-6b)
1
(y+—)2(2x+y)(-2x+y)
8
31
(—x+—)2(x+6)(x-6)+(3x+9)(3x+10)
42
(4x+2y-7)(4x-2y+7)(c+2)(c-2)
(a-b-c)2(b+5)(b-5)
(4x+2y+4)(4x-2y-4)(5x+2y)(5x-2y)
(8x+y)(8x-y)(y+10)(y-10)-(y-3)(y+4)
(y-1)2704×696
(-y+8)2(-9a+5)(-9a-5)
(x-y)2(a+4b)(a-4b)
1
(y+—)2(6x+5y)(-6x+5y)
8
36
(—x+—)2(y+4)(y-4)+(3y+7)(3y-9)
45
(x+y-7)(x-y+7)(c+4)(c-4)
(2a+2b+c)2(a+2)(a-2)
(4x+3y+z)(4x-3y-z)(x+y)(x-y)
(-x+y)(-x-y)(c+5)(c-5)+(c-1)(c+9)
(a+2)2905×895
(t-6)2(-a+5b)(-a-5b)
(x+3y)2(7+7b)(7-7b)
1
(y+—)2(6+y)(-6+y)
8
33
(—x+—)2(2x+3)(2x-3)-(2x-7)(3x+2)
24
(x+y-2)(x-y+2)(a+2)(a-2)
(a+3b+2)2(t+7)(t-7)
(x+y+z)(x-y-z)(x+3y)(x-3y)
(8x+y)(8x-y)(x+2)(x-2)-(x+6)(x+5)
(s-9)264×56
(-a+4)2(a+b)(a-b)
(x-3y)2(2+b)(2-b)
1
(y+—)2(4x+4y)(-4x+4y)
6
16
(—x-—)2(b+5)(b-5)+(3b-1)(4b+3)
25
(x+2y-4)(x-2y+4)(b+5)(b-5)
(2a+3b-c)2(8s+6)(8s-6)
(4x+y+4)(4x-y-4)(x+y)(x-y)
(-x+3y)(-x-3y)(a+9)(a-9)-(a+7)(a+5)
(y+8)2705×695
(-3x+2)2(-a+6b)(-a-6b)
(2x-2y)2(3+b)(3-b)
1
(y+—)2(6+y)(-6+y)
3
12
(—x+—)2(2s+9)(2s-9)-(4s-1)(4s-2)
43
(x+2y-2)(x-2y+2)(s+6)(s-6)
(a-b+7)2(y+10)(y-10)
(2x+3y+z)(2x-3y-z)(x+3y)(x-3y)
(-x+9y)(-x-9y)(s+5)(s-5)-(s-7)(s+5)
(s+4)2304×296
(-x+1)2(a+6b)(a-6b)
(-x+y)2(7+4b)(7-4b)
1
(y+—)2(3+y)(-3+y)
6
11
(—x+—y)2(c+8)(c-8)+(2c-6)(4c-9)
32
(5x+3y-5)(5x-3y+5)(y+7)(y-7)
(2a+2b-c)2(c+10)(c-10)
(x+y+4)(x-y-4)(3x+6y)(3x-6y)
(x+6y)(x-6y)(a+5)(a-5)-(a-7)(a+5)
(y+4)2802×798
(2c-3)2(a+4)(a-4)
(x+3y)2(a+6b)(a-6b)
1
(y+—)2(3+6y)(-3+6y)
7
16
(—x+—y)2(x+7)(x-7)-(4x-9)(2x+8)
25
(2x+y-9)(2x-y+9)(c+10)(c-10)
(a-b-c)2(6c+7)(6c-7)
(4x+3y+4)(4x-3y-4)(7x+2y)(7x-2y)
(x+2y)(x-2y)(s+3)(s-3)+(s+7)(s+3)
(x+4)281×79
(-8t-3)2(-a+b)(-a-b)
(x+y)2(2a+5b)(2a-5b)
1
(y+—)2(7x+y)(-7x+y)
7
11
(—x+—y)2(4y+3)(4y-3)+(2y+10)(2y+8)
44
(x+y-4)(x-y+4)(y+10)(y-10)
(2a-3b-c)2(6s+3)(6s-3)
(x+y+z)(x-y-z)(x+y)(x-y)
(-8x+4y)(-8x-4y)(x+10)(x-10)-(x-6)(x-7)
(y-9)255×45
(x+3)2(-9a+1)(-9a-1)
(-6x+2y)2(9a+b)(9a-b)
1
(y-—)2(5+y)(-5+y)
9
13
(—x+—)2(10x+7)(10x-7)+(3x+2)(2x+7)
44
(x+2y-8)(x-2y+8)(x+5)(x-5)
(a-b+c)2(c+4)(c-4)
(x+y+3)(x-y-3)(x+y)(x-y)
(-x+y)(-x-y)(c+9)(c-9)-(c-9)(c-6)
(y+1)252×48
(-y+6)2(-a+b)(-a-b)
(x+2y)2(8a+b)(8a-b)
1
(y-—)2(5+y)(-5+y)
5
21
(—x+—)2(8a+4)(8a-4)+(4a+10)(2a-1)
33
(2x+y-4)(2x-y+4)(t+3)(t-3)
(3a+2b-c)2(5b+9)(5b-9)
(3x+2y+z)(3x-2y-z)(4x+7y)(4x-7y)
(-x+y)(-x-y)(a+7)(a-7)-(a+4)(a+2)
(t-5)2104×96
(-4t-3)2(a+4)(a-4)
(-x+3y)2(a+b)(a-b)
1
(y+—)2(5+y)(-5+y)
8
16
(—x-—)2(6y+5)(6y-5)-(2y-7)(3y-9)
45
(5x+2y-5)(5x-2y+5)(t+1)(t-1)
(a-3b-9)2(2a+10)(2a-10)
(4x+3y+z)(4x-3y-z)(x+9y)(x-9y)
(x+y)(x-y)(t+1)(t-1)-(t+5)(t+3)
(s+8)263×57
(3b+6)2(5a+2b)(5a-2b)
(4x-y)2(4+3b)(4-3b)
1
(y-—)2(2x+3y)(-2x+3y)
8
21
(—x+—y)2(c+8)(c-8)-(3c+3)(2c-9)
35
(6x+2y-5)(6x-2y+5)(y+7)(y-7)
(3a+b-2)2(7a+2)(7a-2)
(3x+y+z)(3x-y-z)(4x+2y)(4x-2y)
(x+4y)(x-4y)(b+2)(b-2)-(b-5)(b+2)
(b+7)273×67
(t+10)2(-a+8)(-a-8)
(x+y)2(4a+b)(4a-b)
1
(y-—)2(3+8y)(-3+8y)
8
15
(—x+—y)2(6s+9)(6s-9)+(4s-3)(4s+2)
34
(2x+y-1)(2x-y+1)(c+5)(c-5)
(3a+2b+9)2(9a+4)(9a-4)
(x+y+3)(x-y-3)(x+y)(x-y)
(x+y)(x-y)(x+10)(x-10)-(x-2)(x+8)
(s+8)231×29
(-8t+2)2(-a+3)(-a-3)
(-x+3y)2(4+b)(4-b)
1
(y+—)2(x+y)(-x+y)
6
11
(—x-—y)2(x+2)(x-2)+(2x-4)(3x-4)
53
(4x+2y-3)(4x-2y+3)(c+6)(c-6)
(2a-3b+c)2(t+4)(t-4)
(2x+y+2)(2x-y-2)(3x+y)(3x-y)
(x+7y)(x-7y)(c+9)(c-9)+(c+4)(c-1)
(a-4)2101×99
(4y+10)2(-5a+9)(-5a-9)
(-x-y)2(8a+9b)(8a-9b)
1
(y-—)2(6+3y)(-6+3y)
2
54
(—x+—)2(10x+6)(10x-6)+(2x-2)(2x+6)
43
(5x+y-7)(5x-y+7)(a+4)(a-4)
(2a+3b-c)2(5s+9)(5s-9)
(x+3y+z)(x-3y-z)(x+y)(x-y)
(7x+y)(7x-y)(b+7)(b-7)+(b-1)(b+4)
(