初一下册完全平方公式专项训练18.docx
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初一下册完全平方公式专项训练18
11
(—x-—y)27932(6x-7)2+6x2
53
1
(2xy+—x)29062(4n+1)2-7n2
5
(x-6)2(2x+2y)2(ab-3a)2
1
(—x+4y)2(8ab-10)2(4n-2)2+8n2
5
11
(—m-—)2(-3t-5)28032
34
1
(-3cd-—)28962(3a-b-d)2
2
(2a+b+3)(2a+b-3)(3x+y-1)(3x+y+1)
(x+2)(x-2)-(x-4)(x-5)4932
(4x-y)2+4(x+y)(x-4y)2(2a-3b)3
11
(—x+—y)25972(4x-1)2+8x2
33
1
(2xy+—x)25022(5n+5)2+4n2
6
(6x+1)2(6x-6y)2(ab+a)2
1
(—x-6y)2(9ab-5)2(3n+3)2-9n2
2
11
(—m+—)2(-7t-8)29052
24
1
(-6cd-—)2992(2a+b-d)2
2
(3a+b+1)(3a+b-1)(3x+y-2)(3x+y+2)
(x+1)(x-1)+(x+3)(x+2)982
(2x-y)2+3(x-y)(x+4y)2(2a+3b)3
11
(—x-—y)22932(6x-7)2-7x2
63
1
(4xy+—x)27042(n+5)2-5n2
4
(5x-4)2(7x-2y)2(mn+4a)2
1
(—x+8y)2(4ab+7)2(6n-5)2-n2
2
11
(—m+—)2(-6t+1)21012
33
1
(-5cd-—)24912(3a-b-d)2
4
(3a-b+5)(3a-b-5)(2x+y-4)(2x+y+4)
(x+3)(x-3)+(x-2)(x-1)7942
(6x-y)2+2(x+y)(x+4y)2(a+2b)3
11
(—x+—y)2962(9x-9)2+3x2
45
1
(2xy+—x)24032(4n-2)2-8n2
6
(6x-7)2(6x-3y)2(xy+4a)2
1
(—x+y)2(5ab+6)2(4n-4)2-3n2
4
11
(—m+—)2(-9t-7)23042
34
1
(-5cd+—)24912(2a-b-d)2
5
(2a-b+1)(2a-b-1)(4x+y-2)(4x+y+2)
(x+4)(x-4)+(x+3)(x-5)9992
(3x-y)2+(x+y)(x-4y)2(a+2b)2
11
(—x+—y)21972(3x-1)2+9x2
68
1
(4xy+—x)28052(4n+3)2-6n2
6
(9x-4)2(2x+2y)2(ab-4a)2
1
(—x-4y)2(3ab-2)2(4n+4)2-9n2
4
11
(—m+—)2(-5t-1)23072
65
1
(-4cd-—)23952(a+b+d)2
4
(3a-b+2)(3a-b-2)(x+y-4)(x+y+4)
(x+2)(x-2)-(x+1)(x-4)992
(2x-y)2-2(x-y)(x-4y)2(2a-b)3
11
(—x-—y)28912(4x-4)2-3x2
35
1
(6xy-—x)21082(3n-3)2-n2
3
(4x+7)2(7x+9y)2(ab+6a)2
1
(—x-8y)2(2ab-2)2(3n+3)2+7n2
6
11
(—m+—)2(-9t-1)26032
64
1
(-4cd-—)25952(2a+b-d)2
3
(a+b+4)(a+b-4)(4x-y-5)(4x-y+5)
(x+3)(x-3)-(x+5)(x+4)982
(5x+y)2+2(x+y)(x+2y)2(2a+b)3
11
(—x-—y)24952(3x-1)2-9x2
33
1
(2xy-—x)28092(5n+2)2+5n2
5
(x+4)2(8x-2y)2(xy+6a)2
1
(—x-2y)2(5ab+1)2(5n+5)2-8n2
5
11
(—m-—)2(-5t-8)24052
33
1
(-4cd-—)24912(a+b-d)2
4
(a+b+1)(a+b-1)(3x+y-5)(3x+y+5)
(x+1)(x-1)-(x+5)(x+3)4962
(5x+y)2-4(x+y)(x-3y)2(a-2b)3
11
(—x-—y)21922(9x+7)2+x2
43
1
(3xy-—x)210092(6n+1)2-n2
3
(2x+2)2(x+5y)2(mn+6a)2
1
(—x-5y)2(8ab-5)2(n+2)2-n2
5
11
(—m+—)2(-2t-5)22022
34
1
(-6cd-—)27932(a+b+d)2
2
(3a-b+5)(3a-b-5)(3x+y-2)(3x+y+2)
(x+3)(x-3)-(x+5)(x+4)7932
(x-y)2+2(x-y)(x-2y)2(2a-b)2
11
(—x+—y)2982(6x+6)2+7x2
66
1
(3xy-—x)210062(5n-4)2-n2
5
(x+5)2(9x-9y)2(bc+2a)2
1
(—x-7y)2(9ab-7)2(2n-5)2-9n2
6
11
(—m+—)2(-8t-4)22012
32
1
(-3cd-—)2922(2a-b+d)2
4
(2a-b+3)(2a-b-3)(x-y-2)(x-y+2)
(x+2)(x-2)+(x-2)(x-3)7942
(2x+y)2-(x-y)(x-4y)2(2a+2b)2
11
(—x-—y)21922(6x-3)2-9x2
45
1
(2xy-—x)24062(4n-3)2+8n2
3
(3x+2)2(4x-8y)2(xy+2a)2
1
(—x+5y)2(9ab-7)2(n+5)2+n2
2
11
(—m-—)2(-2t-4)23042
42
1
(-2cd+—)21972(a+b+d)2
3
(4a-b+2)(4a-b-2)(2x+y-4)(2x+y+4)
(x+2)(x-2)-(x-2)(x+2)982
(4x+y)2-3(x-y)(x-2y)2(a+b)2
11
(—x+—y)27952(2x-8)2+5x2
47
1
(6xy-—x)25082(5n+3)2-10n2
5
(x+10)2(2x-3y)2(ab-3a)2
1
(—x+y)2(6ab+4)2(n-2)2+2n2
4
11
(—m-—)2(-9t-1)23022
42
1
(-4cd+—)23922(3a+b-d)2
4
(2a-b+4)(2a-b-4)(2x-y-4)(2x-y+4)
(x+1)(x-1)+(x-3)(x+2)7942
(5x-y)2-4(x-y)(x-4y)2(a+b)3
11
(—x+—y)27932(6x-4)2-6x2
28
1
(3xy+—x)25012(2n-1)2-7n2
6
(x+8)2(4x-7y)2(ab+5a)2
1
(—x+7y)2(6ab+6)2(6n+3)2-7n2
5
11
(—m+—)2(-9t-3)24062
63
1
(-2cd+—)21982(3a-b-d)2
5
(2a-b+2)(2a-b-2)(x+y-5)(x+y+5)
(x+3)(x-3)-(x-4)(x-2)3912
(5x+y)2-(x+y)(x-2y)2(2a+b)2
11
(—x-—y)28972(8x-8)2+3x2
69
1
(4xy-—x)25082(3n-2)2+9n2
6
(2x+1)2(4x+8y)2(xy+5a)2
1
(—x-6y)2(6ab+3)2(5n-2)2-8n2
4
11
(—m+—)2(-2t+1)27012
54
1
(-3cd+—)29962(a+b+d)2
6
(4a-b+3)(4a-b-3)(x+y-1)(x+y+1)
(x+2)(x-2)+(x-5)(x-3)6992
(4x-y)2+4(x-y)(x-3y)2(a-3b)2
11
(—x+—y)22962(2x+9)2-8x2
47
1
(3xy-—x)25062(5n-5)2+2n2
3
(7x-7)2(3x+3y)2(ab+4a)2
1
(—x-2y)2(8ab+8)2(3n-3)2-8n2
5
11
(—m-—)2(-9t+4)21012
25
1
(-2cd-—)24922(a+b-d)2
4
(3a-b+1)(3a-b-1)(4x+y-5)(4x+y+5)
(x+1)(x-1)-(x-2)(x+4)4952
(2x+y)2+(x-y)(x-2y)2(2a-2b)2
11
(—x-—y)28982(9x-6)2-9x2
66
1
(2xy+—x)29012(4n-2)2+8n2
4
(2x-7)2(9x+3y)2(xy+3a)2
1
(—x+7y)2(2ab+10)2(4n-1)2-5n2
2
11
(—m+—)2(-4t+3)27012
52
1
(-6cd-—)29962(a+b-d)2
4
(2a-b+3)(2a-b-3)(3x+y-3)(3x+y+3)
(x+1)(x-1)-(x-3)(x+1)2912
(x-y)2-4(x-y)(x+3y)2(2a-b)2
11
(—x-—y)27952(9x+10)2+6x2
44
1
(2xy-—x)25082(6n+4)2-8n2
5
(4x-6)2(9x+4y)2(bc-6a)2
1
(—x+3y)2(6ab-8)2(4n+4)2+6n2
6
11
(—m+—)2(-3t+5)210072
66
1
(-2cd-—)2992(a+b-d)2
3
(2a-b+2)(2a-b-2)(3x+y-4)(3x+y+4)
(x+2)(x-2)+(x+1)(x+5)8922
(3x+y)2-(x+y)(x-4y)2(2a+3b)2
11
(—x-—y)23942(3x+10)2-4x2
52
1
(5xy+—x)25072(2n+5)2-10n2
2
(7x-3)2(9x-8y)2(mn+3a)2
1
(—x+8y)2(6ab-4)2(4n-5)2-10n2
4
11
(—m-—)2(-5t+2)27012
25
1
(-6cd-—)2922(2a-b+d)2
4
(2a-b+1)(2a-b-1)(x-y-3)(x-y+3)
(x+4)(x-4)+(x-5)(x-3)8962
(5x-y)2+(x-y)(x-3y)2(2a-2b)3
11
(—x-—y)22942(6x+4)2-9x2
26
1
(2xy+—x)28042(6n-1)2-6n2
5
(3x+2)2(2x-5y)2(xy-2a)2
1
(—x-9y)2(7ab+10)2(6n+1)2-3n2
2
11
(—m+—)2(-3t+10)22082
63
1
(-4cd-—)2932(a-b+d)2
2
(3a-b+2)(3a-b-2)(2