初一下册完全平方公式专项训练49.docx
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初一下册完全平方公式专项训练49
(x+y)2-4(x+y)(x-4y)2(2a+2b)3
11
(—x-—y)29912(9x-2)2+5x2
53
1
(6xy+—x)23052(6n+3)2+3n2
5
(x+3)2(3x+4y)2(mn-a)2
1
(—x-9y)2(6ab-9)2(n+4)2-2n2
6
11
(—m-—)2(-5t-9)28022
26
1
(-4cd+—)29932(a-b+d)2
3
(2a-b+4)(2a-b-4)(4x+y-1)(4x+y+1)
(x+1)(x-1)+(x+2)(x+5)7932
(5x-y)2-3(x+y)(x+3y)2(a-b)3
11
(—x-—y)26932(x+8)2-3x2
43
1
(6xy+—x)210062(4n-4)2-5n2
3
(5x+1)2(9x-7y)2(bc-3a)2
1
(—x+2y)2(2ab-1)2(4n+4)2-9n2
3
11
(—m-—)2(-8t+7)25082
24
1
(-5cd+—)29982(3a-b-d)2
6
(a-b+5)(a-b-5)(3x-y-2)(3x-y+2)
(x+3)(x-3)+(x+1)(x+1)8952
(5x+y)2+(x+y)(x-4y)2(a-b)3
11
(—x+—y)24992(x+7)2+2x2
67
1
(5xy-—x)24082(2n-2)2-6n2
6
(3x-5)2(9x+9y)2(xy-2a)2
1
(—x+6y)2(9ab+8)2(5n-4)2-7n2
3
11
(—m+—)2(-4t+8)210032
46
1
(-3cd-—)29962(2a+b+d)2
4
(2a+b+3)(2a+b-3)(4x-y-1)(4x-y+1)
(x+3)(x-3)+(x-1)(x+4)6932
(x-y)2+(x-y)(x+2y)2(a-b)2
11
(—x-—y)22952(5x-9)2-9x2
45
1
(3xy+—x)21062(6n-4)2+4n2
6
(6x-4)2(6x-8y)2(mn+6a)2
1
(—x-5y)2(8ab+1)2(n+2)2+7n2
5
11
(—m-—)2(-8t-2)25072
32
1
(-5cd+—)24922(a+b-d)2
4
(2a+b+5)(2a+b-5)(x-y-5)(x-y+5)
(x+2)(x-2)+(x-3)(x+1)9962
(4x-y)2-(x-y)(x+2y)2(a-2b)3
11
(—x+—y)29932(9x+7)2+9x2
68
1
(3xy+—x)25032(4n+5)2+8n2
2
(8x+1)2(7x-7y)2(bc+3a)2
1
(—x-5y)2(3ab+7)2(4n+4)2+6n2
3
11
(—m-—)2(-3t-2)28022
22
1
(-5cd+—)26912(a-b+d)2
2
(a-b+2)(a-b-2)(3x-y-3)(3x-y+3)
(x+4)(x-4)+(x+1)(x+5)6922
(3x+y)2-4(x-y)(x-4y)2(2a-2b)3
11
(—x+—y)29952(9x+4)2-8x2
48
1
(6xy+—x)23032(2n-5)2+3n2
4
(9x-10)2(7x+6y)2(mn+4a)2
1
(—x+9y)2(5ab+9)2(2n+2)2+4n2
4
11
(—m+—)2(-t-3)29082
45
1
(-2cd-—)29912(3a+b-d)2
5
(a-b+2)(a-b-2)(4x-y-2)(4x-y+2)
(x+2)(x-2)-(x+4)(x+1)6942
(3x+y)2+3(x-y)(x+3y)2(a+3b)2
11
(—x-—y)26992(7x+1)2-3x2
36
1
(6xy-—x)23062(5n-5)2-4n2
4
(x+10)2(5x-9y)2(bc-3a)2
1
(—x-7y)2(9ab-1)2(2n-1)2-4n2
6
11
(—m+—)2(-9t-1)27082
46
1
(-3cd-—)22932(3a+b-d)2
4
(3a-b+2)(3a-b-2)(4x-y-1)(4x-y+1)
(x+4)(x-4)-(x+4)(x+5)4942
(x-y)2+4(x+y)(x-3y)2(a+b)3
11
(—x+—y)24992(9x-7)2-4x2
42
1
(5xy-—x)27062(2n+2)2-5n2
6
(4x+10)2(4x-3y)2(xy+6a)2
1
(—x-5y)2(2ab-8)2(n-4)2+n2
2
11
(—m+—)2(-t-8)22052
35
1
(-4cd+—)22922(3a-b-d)2
2
(2a-b+1)(2a-b-1)(x+y-4)(x+y+4)
(x+2)(x-2)-(x+2)(x-4)1962
(x-y)2+4(x-y)(x+3y)2(2a+3b)3
11
(—x-—y)26932(5x+3)2+5x2
59
1
(3xy+—x)26072(5n-4)2-6n2
3
(5x-4)2(6x-9y)2(xy-6a)2
1
(—x-7y)2(9ab+8)2(n+3)2-n2
6
11
(—m+—)2(-4t-5)21082
66
1
(-3cd-—)21982(3a-b+d)2
5
(3a-b+4)(3a-b-4)(2x+y-2)(2x+y+2)
(x+1)(x-1)-(x+4)(x+3)9962
(x+y)2-2(x-y)(x+3y)2(2a+3b)2
11
(—x-—y)24952(4x+4)2-9x2
27
1
(3xy+—x)27082(4n-2)2-6n2
6
(4x+6)2(x+5y)2(mn-a)2
1
(—x-y)2(8ab+9)2(4n-1)2-10n2
2
11
(—m+—)2(-7t-1)21072
53
1
(-2cd+—)26992(a+b+d)2
6
(2a-b+2)(2a-b-2)(2x-y-5)(2x-y+5)
(x+4)(x-4)-(x-4)(x+4)9912
(3x-y)2+3(x+y)(x-4y)2(2a+3b)2
11
(—x+—y)28952(8x+10)2-5x2
44
1
(6xy+—x)24072(4n+5)2+10n2
2
(4x-1)2(4x-3y)2(xy+6a)2
1
(—x-3y)2(5ab+10)2(4n+1)2-8n2
2
11
(—m-—)2(-6t+5)27022
22
1
(-2cd+—)22912(3a+b-d)2
5
(a+b+4)(a+b-4)(x+y-4)(x+y+4)
(x+1)(x-1)+(x-5)(x-5)5932
(6x+y)2+3(x+y)(x-4y)2(2a-b)2
11
(—x-—y)29972(9x+6)2-6x2
26
1
(5xy+—x)27012(3n+1)2-n2
4
(6x-10)2(8x+4y)2(ab+4a)2
1
(—x+5y)2(ab-7)2(2n+5)2-8n2
6
11
(—m-—)2(-5t-3)29072
42
1
(-5cd+—)27952(a-b+d)2
3
(a-b+3)(a-b-3)(3x-y-5)(3x-y+5)
(x+4)(x-4)+(x+3)(x-4)6932
(5x-y)2+3(x+y)(x+3y)2(2a-2b)3
11
(—x-—y)21922(6x+6)2-3x2
28
1
(2xy+—x)23032(3n+4)2-7n2
4
(4x-9)2(x-y)2(bc+5a)2
1
(—x-6y)2(8ab-6)2(5n-1)2+4n2
5
11
(—m+—)2(-7t-7)23042
26
1
(-2cd-—)26912(2a+b+d)2
2
(a-b+2)(a-b-2)(x-y-1)(x-y+1)
(x+1)(x-1)+(x-1)(x+3)8972
(6x-y)2-3(x+y)(x-2y)2(a-b)2
11
(—x-—y)2942(3x+6)2+9x2
52
1
(2xy-—x)22012(3n-1)2+n2
6
(x-9)2(2x+4y)2(xy+6a)2
1
(—x-9y)2(7ab-1)2(4n-4)2-10n2
5
11
(—m-—)2(-3t-9)26072
43
1
(-4cd+—)26992(2a-b+d)2
6
(4a-b+2)(4a-b-2)(x+y-4)(x+y+4)
(x+2)(x-2)+(x-3)(x+5)4932
(4x-y)2-4(x-y)(x+3y)2(2a+3b)3
11
(—x+—y)28922(x+7)2-4x2
38
1
(3xy-—x)26012(2n-3)2+7n2
3
(5x-9)2(9x-4y)2(xy+5a)2
1
(—x+7y)2(8ab-5)2(n+2)2+7n2
4
11
(—m+—)2(-6t+4)26042
63
1
(-5cd+—)26962(3a+b-d)2
2
(a-b+3)(a-b-3)(4x-y-4)(4x-y+4)
(x+1)(x-1)-(x-1)(x-3)4962
(5x+y)2+2(x+y)(x-3y)2(2a-3b)2
11
(—x+—y)25972(9x+6)2+3x2
54
1
(4xy-—x)210072(6n-5)2-7n2
6
(9x-3)2(9x+4y)2(mn+2a)2
1
(—x+9y)2(6ab-3)2(4n-5)2-4n2
3
11
(—m+—)2(-7t+6)22062
44
1
(-2cd-—)21982(a-b-d)2
4
(4a+b+4)(4a+b-4)(x+y-3)(x+y+3)
(x+4)(x-4)-(x+5)(x+4)8992
(2x-y)2-2(x-y)(x+3y)2(2a-3b)3
11
(—x+—y)27972(3x-10)2+6x2
28
1
(6xy-—x)22032(3n-5)2+2n2
4
(6x+7)2(6x+4y)2(ab+a)2
1
(—x-5y)2(6ab+7)2(4n-3)2-6n2
6
11
(—m+—)2(-9t+8)210032
23
1
(-2cd+—)26962(a-b+d)2
2
(3a-b+1)(3a-b-1)(2x-y-4)(2x-y+4)
(x+4)(x-4)-(x+4)(x+4)8952
(6x-y)2+2(x+y)(x+4y)2(a+2b)2
11
(—x+—y)27992(7x+7)2+2x2
25
1
(3xy+—x)23052(5n-5)2-8n2
4
(2x+2)2(9x+2y)2(bc+6a)2
1
(—x-7y)2(ab-8)2(2n-1)2+3n2
6
11
(—m-—)2(-5t-4)28062
25
1
(-2cd+—)21962(a-b