初一下册完全平方公式专项训练24.docx
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初一下册完全平方公式专项训练24
1
(—x-7y)2(9ab-2)2(3n+4)2+2n2
3
11
(—m-—)2(-8t+3)27022
23
1
(-2cd-—)23972(3a-b+d)2
5
(a+b+5)(a+b-5)(4x+y-5)(4x+y+5)
(x+1)(x-1)-(x+5)(x+4)8942
(5x+y)2+3(x-y)(x+3y)2(a+b)3
11
(—x+—y)28962(5x+5)2+7x2
63
1
(4xy-—x)28012(3n-5)2-10n2
5
(2x-6)2(2x-3y)2(xy+5a)2
1
(—x-3y)2(5ab-5)2(6n-5)2-5n2
5
11
(—m-—)2(-4t-7)26022
36
1
(-3cd+—)27992(2a+b+d)2
4
(4a-b+4)(4a-b-4)(3x-y-3)(3x-y+3)
(x+3)(x-3)-(x+4)(x-4)2972
(2x-y)2+(x-y)(x+2y)2(2a+3b)2
11
(—x+—y)26992(6x-3)2-2x2
55
1
(3xy-—x)24052(4n-4)2+7n2
2
(6x+3)2(3x+y)2(bc+3a)2
1
(—x+8y)2(9ab-1)2(4n-4)2-3n2
5
11
(—m-—)2(-9t-9)21092
46
1
(-5cd+—)27932(2a+b-d)2
4
(a-b+1)(a-b-1)(4x-y-2)(4x-y+2)
(x+3)(x-3)+(x-2)(x-1)2962
(3x-y)2+3(x-y)(x-2y)2(2a-2b)3
11
(—x+—y)22932(9x+8)2-2x2
46
1
(3xy-—x)210022(5n-2)2+5n2
3
(6x-2)2(8x+y)2(bc+6a)2
1
(—x-6y)2(8ab+8)2(4n+4)2+6n2
6
11
(—m-—)2(-4t-9)25072
22
1
(-3cd+—)23962(2a-b+d)2
5
(3a+b+5)(3a+b-5)(2x-y-1)(2x-y+1)
(x+3)(x-3)-(x-4)(x+2)2962
(4x+y)2-4(x+y)(x+2y)2(2a-3b)3
11
(—x-—y)26922(x+2)2+5x2
46
1
(2xy-—x)22052(5n-4)2-9n2
2
(9x+8)2(3x-8y)2(bc-4a)2
1
(—x+4y)2(2ab-10)2(n-1)2-4n2
2
11
(—m-—)2(-2t+9)210062
43
1
(-4cd+—)27932(2a-b-d)2
5
(a+b+2)(a+b-2)(4x+y-2)(4x+y+2)
(x+1)(x-1)+(x+2)(x-4)5942
(5x+y)2-(x-y)(x+2y)2(2a+3b)2
11
(—x+—y)24952(2x-1)2+7x2
69
1
(2xy+—x)29032(6n-1)2-7n2
5
(x-3)2(9x-9y)2(bc-3a)2
1
(—x-8y)2(2ab-4)2(5n+4)2-10n2
5
11
(—m-—)2(-4t+5)28012
33
1
(-3cd-—)22922(2a+b+d)2
2
(4a-b+1)(4a-b-1)(2x+y-2)(2x+y+2)
(x+2)(x-2)+(x-1)(x-5)8972
(6x+y)2+2(x-y)(x-3y)2(a+b)3
11
(—x-—y)22962(6x+4)2+6x2
45
1
(6xy+—x)25092(2n+3)2-10n2
4
(8x-7)2(5x-2y)2(xy-5a)2
1
(—x+9y)2(5ab+8)2(3n+4)2-4n2
6
11
(—m+—)2(-3t-6)27042
66
1
(-6cd+—)22982(2a-b-d)2
6
(3a+b+2)(3a+b-2)(2x+y-3)(2x+y+3)
(x+3)(x-3)+(x-1)(x+3)9942
(2x-y)2+4(x+y)(x+3y)2(2a+3b)3
11
(—x-—y)28952(2x+1)2-2x2
63
1
(6xy-—x)25042(6n-3)2+10n2
4
(8x-7)2(5x-9y)2(ab-3a)2
1
(—x+y)2(7ab+4)2(3n-4)2+10n2
4
11
(—m-—)2(-7t+7)24062
45
1
(-2cd+—)22912(3a-b+d)2
3
(2a-b+1)(2a-b-1)(x-y-4)(x-y+4)
(x+4)(x-4)+(x+2)(x-1)1942
(4x+y)2-(x+y)(x-2y)2(2a+2b)3
11
(—x-—y)24942(7x+3)2+7x2
27
1
(2xy-—x)22072(4n-5)2-10n2
2
(9x+9)2(6x+6y)2(ab-6a)2
1
(—x-8y)2(5ab+6)2(2n-2)2-3n2
5
11
(—m+—)2(-2t+6)29012
42
1
(-6cd-—)23922(a+b-d)2
2
(3a+b+2)(3a+b-2)(3x-y-4)(3x-y+4)
(x+2)(x-2)+(x+3)(x-1)2952
(5x+y)2+2(x-y)(x-2y)2(a+3b)3
11
(—x+—y)27952(8x+3)2+7x2
53
1
(6xy+—x)27092(2n+3)2-10n2
5
(7x+1)2(7x-7y)2(bc+5a)2
1
(—x-3y)2(ab-3)2(3n-5)2-6n2
4
11
(—m-—)2(-9t+1)24072
63
1
(-6cd+—)25942(3a+b-d)2
5
(4a+b+4)(4a+b-4)(2x+y-3)(2x+y+3)
(x+2)(x-2)-(x+2)(x-2)8982
(6x-y)2-(x+y)(x+3y)2(2a+2b)3
11
(—x-—y)24922(5x+10)2-9x2
27
1
(2xy-—x)28042(n-1)2+4n2
3
(6x-4)2(8x-4y)2(bc-2a)2
1
(—x-3y)2(5ab-4)2(2n-3)2+2n2
6
11
(—m+—)2(-4t-2)24072
35
1
(-3cd-—)21912(3a+b-d)2
4
(a+b+1)(a+b-1)(x-y-4)(x-y+4)
(x+1)(x-1)+(x-2)(x-1)1912
(x-y)2-2(x-y)(x-3y)2(2a+3b)3
11
(—x+—y)25982(7x+1)2-4x2
45
1
(3xy-—x)23022(6n+5)2-7n2
3
(3x+3)2(6x+8y)2(ab+2a)2
1
(—x-3y)2(6ab-4)2(6n+1)2+n2
4
11
(—m-—)2(-6t+6)28062
66
1
(-4cd+—)21932(a+b-d)2
4
(4a+b+5)(4a+b-5)(2x+y-2)(2x+y+2)
(x+3)(x-3)+(x-2)(x-1)3922
(2x+y)2+(x+y)(x-4y)2(2a-2b)2
11
(—x+—y)29992(2x-10)2-7x2
26
1
(4xy-—x)23072(4n+2)2+7n2
2
(3x+1)2(7x-8y)2(bc+6a)2
1
(—x-8y)2(8ab-7)2(3n+2)2-3n2
5
11
(—m-—)2(-7t+5)28072
34
1
(-6cd+—)25972(a-b-d)2
4
(2a-b+4)(2a-b-4)(x-y-4)(x-y+4)
(x+1)(x-1)+(x+4)(x+4)4972
(6x-y)2-4(x+y)(x-4y)2(a+b)2
11
(—x+—y)29982(9x+3)2-2x2
47
1
(5xy-—x)27062(5n+4)2+5n2
3
(9x+7)2(3x+5y)2(mn-3a)2
1
(—x+6y)2(8ab+4)2(5n-3)2-n2
3
11
(—m+—)2(-5t-9)29072
52
1
(-2cd+—)23992(3a+b+d)2
4
(4a-b+1)(4a-b-1)(2x-y-5)(2x-y+5)
(x+1)(x-1)+(x-1)(x+4)4962
(4x+y)2+(x+y)(x-3y)2(a+2b)3
11
(—x+—y)24972(2x-4)2+6x2
37
1
(3xy+—x)29022(n+2)2+n2
4
(9x+1)2(x-8y)2(bc-6a)2
1
(—x-y)2(7ab-7)2(2n+4)2+3n2
3
11
(—m+—)2(-t-5)27042
24
1
(-6cd-—)27952(3a-b-d)2
5
(4a-b+4)(4a-b-4)(3x-y-3)(3x-y+3)
(x+1)(x-1)+(x-5)(x-4)8952
(2x-y)2-3(x+y)(x+4y)2(2a+3b)2
11
(—x+—y)26982(5x+9)2-8x2
28
1
(4xy-—x)27012(n+2)2+4n2
2
(6x+6)2(2x-7y)2(xy+6a)2
1
(—x+2y)2(6ab-6)2(2n+3)2+3n2
6
11
(—m+—)2(-9t+9)24042
36
1
(-6cd+—)22972(3a+b-d)2
6
(a+b+2)(a+b-2)(3x+y-5)(3x+y+5)
(x+1)(x-1)+(x+3)(x+1)8932
(4x-y)2-2(x+y)(x+4y)2(2a+3b)2
11
(—x-—y)27982(3x+2)2+7x2
43
1
(4xy-—x)26082(6n+2)2+5n2
4
(5x+1)2(x-y)2(mn+6a)2
1
(—x-5y)2(9ab-5)2(4n+2)2-10n2
3
11
(—m+—)2(-6t-2)28012
64
1
(-5cd+—)21972(2a-b-d)2
5
(a-b+2)(a-b-2)(4x+y-4)(4x+y+4)
(x+1)(x-1)+(x-5)(x-1)1932
(2x-y)2-4(x-y)(x-4y)2(a+2b)2
11
(—x+—y)23992(9x-5)2+x2
27
1
(2xy-—x)21092(2n+2)2-3n2
2
(4x+8)2(3x+8y)2(ab+2a)2
1
(—x-8y)2(7ab-1)2(2n+3)2+3n2
5
11
(—m-—)2(-7t+6)25042
42
1
(-5cd+—)21952(a+b+d)2
3
(a+b+1)(a+b-1)(3x+y-1)(3x+y+1)
(x+4)(x-4)-(x+4)(x+4)7942
(2x-y)2+4(x-y)(x-3y)2(2a+2b)3
11