初一下册完全平方公式专项训练20.docx
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初一下册完全平方公式专项训练20
11
(—m+—)2(-6t+1)28092
46
1
(-3cd+—)29992(2a+b-d)2
2
(a-b+4)(a-b-4)(3x+y-4)(3x+y+4)
(x+1)(x-1)+(x+1)(x+5)7952
(6x-y)2-(x-y)(x+2y)2(a-3b)2
11
(—x+—y)23982(2x+5)2-3x2
49
1
(2xy+—x)210012(2n-1)2+6n2
5
(4x+8)2(3x-3y)2(ab+5a)2
1
(—x-2y)2(4ab+8)2(3n+2)2-10n2
6
11
(—m+—)2(-9t+6)25012
26
1
(-3cd-—)26952(3a-b+d)2
2
(4a+b+2)(4a+b-2)(2x-y-1)(2x-y+1)
(x+4)(x-4)-(x+2)(x-1)7952
(4x+y)2+4(x+y)(x+4y)2(a+2b)2
11
(—x+—y)26912(4x-7)2-3x2
55
1
(5xy-—x)210052(6n-4)2-2n2
3
(7x+10)2(2x-y)2(ab-2a)2
1
(—x-y)2(6ab-6)2(2n+2)2-3n2
5
11
(—m+—)2(-6t-9)21022
46
1
(-3cd+—)21992(3a+b+d)2
5
(3a-b+2)(3a-b-2)(4x-y-3)(4x-y+3)
(x+3)(x-3)+(x-4)(x+3)2972
(6x-y)2-4(x-y)(x-3y)2(2a+2b)3
11
(—x-—y)22912(x+1)2-x2
67
1
(6xy-—x)26032(n-3)2-9n2
5
(5x-7)2(3x+3y)2(ab-3a)2
1
(—x+2y)2(4ab+2)2(3n+5)2-n2
4
11
(—m+—)2(-8t-9)210042
56
1
(-4cd+—)27922(2a+b+d)2
4
(a-b+1)(a-b-1)(x+y-5)(x+y+5)
(x+2)(x-2)+(x-2)(x-2)3992
(6x+y)2+(x-y)(x-3y)2(a+b)3
11
(—x+—y)29972(x-1)2+8x2
67
1
(2xy+—x)29082(3n+2)2+2n2
3
(x+1)2(x-7y)2(xy-a)2
1
(—x-3y)2(7ab-1)2(n+2)2-n2
5
11
(—m+—)2(-3t-5)21022
54
1
(-6cd+—)29932(3a+b-d)2
5
(4a+b+3)(4a+b-3)(3x-y-4)(3x-y+4)
(x+2)(x-2)+(x+1)(x+5)5992
(3x-y)2+3(x-y)(x-4y)2(a-2b)2
11
(—x+—y)28942(x+7)2+7x2
27
1
(2xy+—x)21072(3n-3)2-n2
3
(5x-4)2(8x+6y)2(xy+3a)2
1
(—x-2y)2(9ab-8)2(4n-1)2-6n2
3
11
(—m-—)2(-4t-8)29082
24
1
(-2cd-—)26932(2a-b-d)2
3
(a+b+1)(a+b-1)(3x-y-3)(3x-y+3)
(x+3)(x-3)+(x+3)(x-3)7922
(x-y)2-3(x+y)(x+2y)2(2a-3b)2
11
(—x-—y)26962(6x-9)2+2x2
52
1
(4xy-—x)24012(n+2)2-2n2
6
(4x+6)2(8x+3y)2(xy+6a)2
1
(—x+6y)2(4ab-5)2(6n-4)2+6n2
4
11
(—m+—)2(-6t-2)28082
64
1
(-3cd+—)22942(3a+b-d)2
3
(4a+b+3)(4a+b-3)(4x+y-5)(4x+y+5)
(x+1)(x-1)-(x+1)(x-1)962
(3x-y)2+4(x-y)(x-3y)2(a-b)3
11
(—x-—y)24982(5x+6)2-3x2
26
1
(4xy+—x)24082(n-2)2+7n2
2
(x+5)2(4x+4y)2(bc-5a)2
1
(—x+4y)2(ab-8)2(6n-3)2-3n2
5
11
(—m+—)2(-5t+10)24042
54
1
(-6cd+—)28922(a+b+d)2
6
(3a+b+4)(3a+b-4)(2x+y-2)(2x+y+2)
(x+3)(x-3)+(x+4)(x-2)9922
(x-y)2+2(x+y)(x-4y)2(a+b)2
11
(—x+—y)25932(4x+4)2+3x2
55
1
(2xy-—x)22072(6n+4)2-4n2
3
(7x-8)2(4x-3y)2(mn+3a)2
1
(—x-5y)2(8ab+9)2(2n-1)2-5n2
5
11
(—m-—)2(-7t+5)210022
63
1
(-3cd-—)24932(a+b+d)2
5
(4a-b+5)(4a-b-5)(3x-y-5)(3x-y+5)
(x+4)(x-4)+(x-4)(x-3)942
(5x+y)2-4(x-y)(x+4y)2(2a+b)3
11
(—x+—y)26942(7x-9)2+4x2
57
1
(2xy+—x)21052(n+5)2-10n2
3
(9x-2)2(2x-4y)2(bc-5a)2
1
(—x+9y)2(4ab+9)2(4n+1)2+3n2
5
11
(—m+—)2(-3t-10)29042
62
1
(-4cd+—)22972(2a-b+d)2
2
(2a+b+1)(2a+b-1)(x+y-1)(x+y+1)
(x+2)(x-2)-(x+3)(x-2)5932
(3x-y)2+4(x-y)(x+2y)2(a+2b)2
11
(—x+—y)23992(9x-6)2+8x2
49
1
(3xy-—x)24042(3n+2)2-5n2
5
(x+8)2(2x+9y)2(bc+4a)2
1
(—x+3y)2(3ab-6)2(n-5)2-10n2
4
11
(—m-—)2(-t-8)25032
43
1
(-3cd-—)21922(a+b+d)2
3
(3a+b+1)(3a+b-1)(2x-y-3)(2x-y+3)
(x+3)(x-3)-(x-2)(x+5)2992
(3x-y)2+4(x+y)(x+4y)2(2a+b)3
11
(—x-—y)27992(3x-3)2-4x2
62
1
(4xy-—x)24072(6n-4)2-8n2
2
(x+10)2(7x-2y)2(mn-3a)2
1
(—x+2y)2(6ab-7)2(5n+2)2-3n2
5
11
(—m+—)2(-3t+6)210012
53
1
(-6cd+—)2992(2a+b+d)2
6
(4a+b+1)(4a+b-1)(3x-y-1)(3x-y+1)
(x+1)(x-1)+(x+2)(x+4)2912
(2x-y)2-4(x-y)(x+4y)2(a-3b)3
11
(—x-—y)26952(4x+9)2+x2
38
1
(5xy-—x)210022(6n+3)2-9n2
4
(3x-1)2(3x+7y)2(xy+6a)2
1
(—x+8y)2(5ab+5)2(n-5)2-8n2
4
11
(—m-—)2(-7t-2)24012
43
1
(-6cd+—)23942(2a+b-d)2
4
(2a+b+1)(2a+b-1)(2x+y-5)(2x+y+5)
(x+4)(x-4)+(x+1)(x+3)8962
(6x+y)2+4(x-y)(x+2y)2(2a-3b)3
11
(—x+—y)28992(7x+8)2+6x2
49
1
(3xy+—x)22072(5n+5)2+8n2
6
(8x+5)2(3x-y)2(mn+2a)2
1
(—x-5y)2(7ab-9)2(5n-1)2+2n2
2
11
(—m-—)2(-8t+2)26042
66
1
(-5cd-—)2942(a+b+d)2
5
(2a+b+3)(2a+b-3)(4x-y-5)(4x-y+5)
(x+4)(x-4)-(x+5)(x-2)962
(3x+y)2-2(x+y)(x-3y)2(2a-2b)2
11
(—x-—y)25922(3x+1)2-9x2
66
1
(3xy+—x)24042(n-5)2+7n2
2
(8x+3)2(x-2y)2(ab-6a)2
1
(—x+5y)2(3ab-8)2(5n-1)2+n2
4
11
(—m+—)2(-9t-5)210012
32
1
(-6cd-—)28992(2a+b-d)2
6
(a-b+2)(a-b-2)(3x-y-3)(3x-y+3)
(x+2)(x-2)-(x+1)(x+3)5912
(2x-y)2+(x-y)(x-4y)2(a-3b)3
11
(—x-—y)24942(7x-6)2-3x2
27
1
(2xy-—x)23062(n+3)2+9n2
6
(5x-1)2(2x+5y)2(bc-5a)2
1
(—x+3y)2(9ab+4)2(6n-4)2+8n2
6
11
(—m+—)2(-8t-9)24052
24
1
(-3cd-—)25962(2a-b+d)2
4
(4a+b+5)(4a+b-5)(4x+y-2)(4x+y+2)
(x+2)(x-2)+(x+2)(x+4)922
(6x+y)2-4(x+y)(x-2y)2(a+b)2
11
(—x+—y)27992(5x+3)2+4x2
26
1
(6xy-—x)210062(3n-1)2+3n2
3
(7x-2)2(7x+8y)2(mn-6a)2
1
(—x+8y)2(7ab+6)2(3n-2)2+2n2
3
11
(—m+—)2(-6t+2)24042
32
1
(-5cd+—)25912(2a-b-d)2
5
(a+b+1)(a+b-1)(4x+y-2)(4x+y+2)
(x+2)(x-2)+(x+4)(x+4)3932
(3x+y)2+4(x+y)(x+3y)2(2a+3b)3
11
(—x-—y)27912(2x-1)2+6x2
35
1
(2xy+—x)24042(3n-2)2+n2
2
(6x+8)2(5x+6y)2(bc+5a)2
1
(—x-7y)2(6ab-10)2(5n+1)2-7n2
4
11
(—m+—)2(-4t+10)25062
35
1
(-6cd-—)22952(2a+b+d)2
2
(a+b+3)(a+b-3)(x+y-3)(x+y+3)
(x+3)(x-3)-(x+1)(x+5)4952
(5x+y)2-(x-y)(x+3y)2(2a+b)2
11
(—x+—y)22932(3x-5)2-2x2
37
1
(4xy+—x)2