初一下册完全平方公式专项训练8.docx
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初一下册完全平方公式专项训练8
(x+1)(x-1)-(x-4)(x+5)1962
(2x+y)2-3(x+y)(x-2y)2(2a-3b)3
11
(—x+—y)21942(5x-3)2-4x2
23
1
(6xy+—x)21022(6n-5)2+3n2
6
(2x+8)2(9x+7y)2(bc+4a)2
1
(—x+6y)2(4ab+3)2(n+3)2-6n2
5
11
(—m+—)2(-t-2)23092
33
1
(-6cd-—)2942(a+b+d)2
3
(a-b+3)(a-b-3)(x+y-2)(x+y+2)
(x+4)(x-4)+(x+2)(x+3)7932
(3x+y)2+3(x-y)(x+3y)2(a-3b)3
11
(—x-—y)21982(3x+6)2+6x2
56
1
(3xy+—x)23042(5n-1)2-7n2
6
(6x-10)2(8x-2y)2(mn-4a)2
1
(—x-6y)2(2ab+6)2(4n+5)2-4n2
2
11
(—m+—)2(-t+8)22042
22
1
(-5cd-—)28962(3a-b-d)2
4
(4a+b+2)(4a+b-2)(3x-y-4)(3x-y+4)
(x+2)(x-2)-(x+5)(x-1)1992
(5x-y)2+4(x+y)(x+2y)2(a-b)3
11
(—x-—y)26912(4x+3)2+6x2
53
1
(6xy-—x)24042(2n-3)2-10n2
5
(8x+7)2(9x+3y)2(ab-3a)2
1
(—x-4y)2(6ab+2)2(3n+3)2+2n2
4
11
(—m-—)2(-4t-8)26052
56
1
(-6cd-—)29932(a+b+d)2
4
(2a-b+2)(2a-b-2)(2x-y-4)(2x-y+4)
(x+4)(x-4)-(x-3)(x+2)5972
(2x-y)2-3(x-y)(x+3y)2(2a+2b)3
11
(—x+—y)24952(3x+10)2-x2
48
1
(5xy-—x)23072(4n-5)2-6n2
6
(x-4)2(8x+5y)2(bc+a)2
1
(—x+8y)2(ab-7)2(4n-5)2-2n2
6
11
(—m-—)2(-6t-5)23092
42
1
(-6cd+—)23972(2a+b-d)2
6
(4a+b+1)(4a+b-1)(2x-y-4)(2x-y+4)
(x+3)(x-3)-(x-3)(x+4)3942
(x+y)2+4(x-y)(x+2y)2(a-3b)3
11
(—x-—y)28992(9x+4)2+9x2
69
1
(2xy-—x)24042(n+1)2-10n2
6
(6x-5)2(2x-2y)2(mn+2a)2
1
(—x+y)2(9ab-6)2(4n+5)2-8n2
3
11
(—m-—)2(-8t+4)23062
63
1
(-2cd-—)26972(2a-b-d)2
4
(4a+b+1)(4a+b-1)(4x-y-5)(4x-y+5)
(x+2)(x-2)-(x-3)(x+4)8962
(3x+y)2+2(x-y)(x+4y)2(a-2b)2
11
(—x+—y)23962(4x+3)2-x2
44
1
(5xy-—x)23042(2n-4)2-2n2
6
(7x-1)2(x+y)2(ab-6a)2
1
(—x-2y)2(8ab-9)2(n+3)2-7n2
4
11
(—m+—)2(-9t-10)23042
52
1
(-5cd+—)27942(2a-b-d)2
5
(4a+b+2)(4a+b-2)(x+y-3)(x+y+3)
(x+4)(x-4)-(x-5)(x+2)4932
(4x+y)2-(x-y)(x-4y)2(a-b)3
11
(—x-—y)2972(6x+2)2+6x2
46
1
(2xy+—x)23042(n+4)2+7n2
3
(6x-7)2(7x-5y)2(xy-a)2
1
(—x+3y)2(7ab-3)2(3n+2)2-2n2
6
11
(—m+—)2(-4t-1)26092
22
1
(-3cd-—)21912(3a+b-d)2
2
(a+b+3)(a+b-3)(2x+y-3)(2x+y+3)
(x+2)(x-2)-(x+5)(x-2)7922
(4x-y)2-4(x-y)(x+4y)2(a+2b)3
11
(—x+—y)29972(2x+5)2-6x2
58
1
(4xy+—x)22052(5n+2)2+5n2
6
(3x-9)2(9x-2y)2(xy+4a)2
1
(—x+4y)2(6ab-1)2(5n-5)2-3n2
6
11
(—m+—)2(-4t+1)28092
25
1
(-5cd+—)21912(a-b+d)2
3
(2a-b+4)(2a-b-4)(2x+y-5)(2x+y+5)
(x+3)(x-3)-(x+2)(x-4)2922
(x-y)2-(x+y)(x+3y)2(a-3b)2
11
(—x+—y)29942(3x+3)2+x2
69
1
(2xy+—x)29082(2n+2)2-6n2
6
(5x+2)2(3x-6y)2(xy+3a)2
1
(—x+y)2(8ab+6)2(3n-3)2-6n2
2
11
(—m-—)2(-9t+10)28042
63
1
(-2cd-—)23982(a-b-d)2
2
(2a-b+3)(2a-b-3)(3x-y-1)(3x-y+1)
(x+4)(x-4)+(x-2)(x-4)2972
(x-y)2-3(x-y)(x-3y)2(2a-b)3
11
(—x+—y)2952(8x-10)2-9x2
47
1
(4xy+—x)22022(n-1)2-9n2
6
(7x-7)2(x-8y)2(xy+5a)2
1
(—x+8y)2(ab-10)2(n-4)2+n2
2
11
(—m+—)2(-2t-3)23052
53
1
(-6cd+—)24972(3a+b-d)2
2
(a+b+2)(a+b-2)(3x-y-5)(3x-y+5)
(x+3)(x-3)-(x-1)(x-2)5942
(x-y)2-4(x+y)(x-3y)2(2a+b)3
11
(—x+—y)2972(3x-1)2-3x2
36
1
(4xy-—x)28092(n-5)2+8n2
6
(4x-5)2(4x+3y)2(bc-a)2
1
(—x-2y)2(9ab-9)2(6n+3)2-4n2
4
11
(—m+—)2(-3t+9)210082
23
1
(-2cd-—)24972(a-b+d)2
4
(4a+b+4)(4a+b-4)(2x-y-4)(2x-y+4)
(x+3)(x-3)-(x+2)(x-3)9982
(2x-y)2-3(x-y)(x-2y)2(2a-3b)2
11
(—x-—y)2922(x-1)2+6x2
23
1
(3xy-—x)29022(2n-4)2+7n2
6
(6x+7)2(7x-4y)2(xy+5a)2
1
(—x-3y)2(8ab-1)2(n-3)2-3n2
2
11
(—m-—)2(-4t-7)29082
42
1
(-3cd-—)25952(3a+b+d)2
2
(a-b+3)(a-b-3)(x-y-2)(x-y+2)
(x+3)(x-3)+(x-5)(x+2)2922
(4x-y)2+4(x+y)(x-2y)2(2a-2b)2
11
(—x-—y)28912(6x-7)2-6x2
58
1
(4xy-—x)26042(4n-2)2+8n2
4
(x-8)2(3x-9y)2(bc-a)2
1
(—x+8y)2(6ab+2)2(6n-1)2+5n2
5
11
(—m+—)2(-t+8)24092
44
1
(-3cd-—)23912(3a+b+d)2
6
(2a+b+2)(2a+b-2)(2x-y-1)(2x-y+1)
(x+1)(x-1)-(x-5)(x-3)942
(x+y)2-2(x+y)(x-2y)2(a-3b)3
11
(—x+—y)21982(7x+9)2+6x2
56
1
(5xy-—x)27082(5n-2)2-10n2
2
(6x+1)2(9x+9y)2(bc+3a)2
1
(—x-3y)2(5ab-7)2(4n+5)2-2n2
5
11
(—m+—)2(-8t-4)23052
46
1
(-2cd+—)24942(2a+b-d)2
4
(a-b+1)(a-b-1)(4x+y-5)(4x+y+5)
(x+1)(x-1)+(x-3)(x-3)7952
(x+y)2+4(x-y)(x+3y)2(2a-b)2
11
(—x-—y)28922(9x+6)2-8x2
65
1
(3xy-—x)210042(4n+1)2+n2
6
(4x-10)2(x-5y)2(bc+3a)2
1
(—x-9y)2(9ab+5)2(4n+2)2+4n2
3
11
(—m+—)2(-7t-8)23012
56
1
(-3cd+—)23912(2a-b+d)2
6
(4a-b+3)(4a-b-3)(x+y-3)(x+y+3)
(x+3)(x-3)-(x+3)(x+2)4992
(5x-y)2-2(x+y)(x-4y)2(a-3b)2
11
(—x-—y)25952(9x-10)2-x2
44
1
(3xy+—x)22072(4n-4)2+8n2
3
(7x+7)2(9x+3y)2(bc-4a)2
1
(—x+9y)2(8ab-5)2(6n-4)2-n2
6
11
(—m-—)2(-4t-10)27072
64
1
(-4cd+—)26932(2a-b+d)2
5
(4a+b+3)(4a+b-3)(3x-y-2)(3x-y+2)
(x+3)(x-3)-(x-4)(x-1)7992
(3x+y)2-2(x+y)(x+4y)2(a-3b)2
11
(—x-—y)26992(3x-8)2+5x2
48
1
(6xy-—x)27022(4n+3)2+8n2
4
(3x+2)2(9x+7y)2(mn+4a)2
1
(—x+4y)2(9ab+7)2(5n-1)2+2n2
5
11
(—m+—)2(-t-8)25072
32
1
(-3cd+—)28952(a-b+d)2
3
(2a+b+5)(2a+b-5)(4x+y-3)(4x+y+3)
(x+2)(x-2)+(x-2)(x-1)5922
(x-y)2+(x-y)(x+4y)2(2a+b)3
11
(—x+—y)23932(x-5)2+7x2
35
1
(4xy+—x)24012(2n+2)2-8n2
6
(4x-10)2(8x+6y)2(bc+2a)2
1
(—x+7y)2(9ab+4)2(2n-3)2+7n2
6
11
(—m-—)2(-5t-9)29032
22