初一下册完全平方公式专项训练47.docx
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初一下册完全平方公式专项训练47
11
(—m-—)2(-2t-4)210082
23
1
(-2cd-—)21912(3a+b+d)2
2
(3a+b+3)(3a+b-3)(x+y-1)(x+y+1)
(x+2)(x-2)+(x+5)(x-4)982
(6x+y)2-(x+y)(x-3y)2(a-2b)3
11
(—x+—y)23972(2x-8)2-2x2
69
1
(6xy+—x)21072(3n-4)2+3n2
3
(3x-1)2(8x-6y)2(bc+6a)2
1
(—x+2y)2(3ab-6)2(n-4)2+n2
3
11
(—m+—)2(-5t+3)22082
25
1
(-5cd-—)28972(2a-b-d)2
5
(2a-b+1)(2a-b-1)(2x-y-4)(2x-y+4)
(x+3)(x-3)+(x+5)(x+3)8962
(3x+y)2+3(x-y)(x+4y)2(a+b)3
11
(—x+—y)27982(9x-10)2-6x2
65
1
(2xy+—x)27042(6n-3)2-n2
2
(9x+2)2(3x+4y)2(mn-4a)2
1
(—x-3y)2(2ab+4)2(5n+4)2-7n2
2
11
(—m+—)2(-2t+6)24032
25
1
(-2cd+—)28942(2a+b-d)2
3
(2a-b+1)(2a-b-1)(4x+y-3)(4x+y+3)
(x+1)(x-1)-(x-4)(x-2)2932
(3x-y)2+3(x+y)(x+3y)2(a-2b)2
11
(—x+—y)23922(9x-6)2-4x2
54
1
(3xy+—x)27062(5n-4)2-4n2
4
(5x-7)2(x-8y)2(xy+6a)2
1
(—x-3y)2(7ab+9)2(6n+4)2-6n2
2
11
(—m+—)2(-8t-5)24012
45
1
(-4cd+—)21922(2a-b-d)2
4
(a+b+5)(a+b-5)(3x+y-2)(3x+y+2)
(x+2)(x-2)+(x+5)(x+1)1912
(5x-y)2+(x+y)(x-3y)2(2a+3b)3
11
(—x+—y)26972(x-7)2+8x2
45
1
(3xy+—x)23042(6n+3)2-5n2
4
(5x-6)2(2x+6y)2(ab+6a)2
1
(—x-2y)2(4ab-9)2(4n-4)2+9n2
5
11
(—m+—)2(-2t+4)22012
46
1
(-5cd+—)27932(a-b-d)2
6
(4a+b+5)(4a+b-5)(2x+y-1)(2x+y+1)
(x+4)(x-4)+(x+1)(x+4)2992
(x-y)2+3(x+y)(x+3y)2(2a-b)2
11
(—x-—y)2922(x+4)2+5x2
33
1
(6xy-—x)25032(6n-5)2+2n2
3
(6x-8)2(4x+4y)2(mn+3a)2
1
(—x+2y)2(9ab+7)2(2n+5)2-8n2
5
11
(—m-—)2(-7t+1)29022
43
1
(-4cd+—)26962(3a+b+d)2
3
(3a+b+2)(3a+b-2)(2x-y-1)(2x-y+1)
(x+4)(x-4)+(x-4)(x+4)7952
(4x+y)2-(x+y)(x+4y)2(2a+b)3
11
(—x-—y)25982(9x+10)2+2x2
59
1
(3xy-—x)21052(5n+1)2-5n2
4
(3x-3)2(x-8y)2(xy+2a)2
1
(—x-2y)2(8ab+1)2(2n-3)2+10n2
2
11
(—m-—)2(-5t-9)26052
23
1
(-2cd+—)23962(3a-b+d)2
6
(3a+b+4)(3a+b-4)(2x-y-1)(2x-y+1)
(x+1)(x-1)+(x+4)(x-5)9962
(6x-y)2-3(x-y)(x+2y)2(a-3b)3
11
(—x-—y)22972(3x-4)2+7x2
25
1
(5xy-—x)28092(5n+3)2+7n2
5
(4x+3)2(7x-2y)2(xy+5a)2
1
(—x+2y)2(5ab+7)2(3n+2)2-n2
6
11
(—m+—)2(-9t+5)21092
46
1
(-6cd-—)26932(a+b+d)2
2
(2a+b+5)(2a+b-5)(3x-y-1)(3x-y+1)
(x+4)(x-4)-(x-2)(x+4)5982
(3x-y)2+4(x-y)(x-2y)2(2a-b)2
11
(—x-—y)25952(5x-7)2+4x2
62
1
(4xy+—x)210062(5n+1)2-10n2
4
(x+3)2(7x-2y)2(bc+5a)2
1
(—x+7y)2(4ab+6)2(3n-2)2-6n2
3
11
(—m+—)2(-9t-5)21092
24
1
(-2cd+—)22962(a+b+d)2
4
(2a+b+2)(2a+b-2)(4x-y-5)(4x-y+5)
(x+2)(x-2)-(x-5)(x+1)2922
(x+y)2-4(x+y)(x+2y)2(2a-2b)3
11
(—x-—y)29942(x+5)2+7x2
57
1
(6xy-—x)25012(2n-2)2+2n2
4
(9x-2)2(9x-7y)2(xy-3a)2
1
(—x-5y)2(8ab+1)2(4n+4)2-2n2
2
11
(—m-—)2(-7t+10)23062
63
1
(-5cd-—)25912(a+b+d)2
6
(a+b+3)(a+b-3)(2x-y-2)(2x-y+2)
(x+2)(x-2)+(x-4)(x-5)5952
(3x+y)2-3(x+y)(x+4y)2(a-2b)3
11
(—x+—y)27942(x+7)2+6x2
66
1
(6xy+—x)22032(5n-3)2-2n2
5
(6x+1)2(9x-3y)2(mn+5a)2
1
(—x+2y)2(2ab+2)2(n+1)2-n2
6
11
(—m+—)2(-3t+5)21012
34
1
(-6cd-—)21982(2a-b+d)2
2
(2a+b+3)(2a+b-3)(3x+y-5)(3x+y+5)
(x+3)(x-3)-(x-4)(x-4)9952
(4x+y)2-2(x+y)(x-3y)2(a+b)2
11
(—x+—y)2982(9x-7)2+7x2
65
1
(5xy+—x)28012(n+5)2+2n2
4
(x-4)2(7x+8y)2(ab-a)2
1
(—x-6y)2(5ab-2)2(2n-1)2-3n2
3
11
(—m-—)2(-4t-1)28032
25
1
(-6cd+—)22922(3a+b-d)2
4
(4a+b+5)(4a+b-5)(3x-y-1)(3x-y+1)
(x+2)(x-2)+(x+1)(x-1)5982
(6x-y)2-(x+y)(x-3y)2(a-2b)2
11
(—x-—y)21952(3x+2)2+5x2
34
1
(2xy-—x)22052(6n-1)2+10n2
3
(5x+5)2(5x-9y)2(bc-3a)2
1
(—x+7y)2(4ab-3)2(4n-3)2-3n2
2
11
(—m-—)2(-6t-5)27092
64
1
(-3cd+—)22972(3a-b-d)2
6
(3a-b+2)(3a-b-2)(4x+y-1)(4x+y+1)
(x+3)(x-3)-(x-3)(x+2)9992
(2x-y)2-2(x+y)(x-2y)2(2a-2b)3
11
(—x+—y)25972(4x-10)2-9x2
37
1
(4xy+—x)26032(3n-5)2-10n2
4
(5x-3)2(4x-2y)2(ab-5a)2
1
(—x-6y)2(2ab-10)2(4n+5)2-3n2
4
11
(—m-—)2(-3t-10)28082
34
1
(-4cd+—)22932(a+b+d)2
4
(4a-b+4)(4a-b-4)(4x-y-4)(4x-y+4)
(x+2)(x-2)+(x-3)(x-3)3962
(4x+y)2-(x+y)(x+2y)2(a-b)3
11
(—x+—y)23942(6x-9)2-6x2
59
1
(4xy+—x)29042(3n-2)2+6n2
6
(3x+5)2(6x-7y)2(ab-4a)2
1
(—x-2y)2(6ab-10)2(2n-4)2+9n2
4
11
(—m-—)2(-t+6)27012
43
1
(-5cd+—)21982(a+b-d)2
2
(4a+b+3)(4a+b-3)(3x+y-3)(3x+y+3)
(x+2)(x-2)-(x-4)(x+4)5972
(3x+y)2+2(x+y)(x-3y)2(a-3b)2
11
(—x+—y)21922(3x-10)2-3x2
69
1
(5xy-—x)22072(n-5)2-5n2
6
(7x+1)2(2x+y)2(ab+6a)2
1
(—x+2y)2(5ab-8)2(4n+4)2-4n2
4
11
(—m-—)2(-7t-7)29052
26
1
(-2cd-—)2982(2a+b+d)2
6
(a-b+1)(a-b-1)(3x+y-1)(3x+y+1)
(x+3)(x-3)+(x+1)(x-5)6922
(x+y)2-4(x-y)(x+4y)2(2a+b)2
11
(—x-—y)22962(3x-7)2+2x2
56
1
(5xy+—x)25042(4n-1)2-10n2
2
(6x+3)2(6x-7y)2(bc-3a)2
1
(—x+4y)2(ab+6)2(3n+2)2-10n2
2
11
(—m+—)2(-5t-8)22082
26
1
(-2cd+—)29912(3a+b-d)2
5
(2a-b+1)(2a-b-1)(2x-y-3)(2x-y+3)
(x+4)(x-4)+(x-2)(x+5)2932
(6x+y)2-(x-y)(x+2y)2(a-3b)3
11
(—x+—y)23992(2x+9)2-6x2
56
1
(2xy-—x)25022(3n-3)2+5n2
6
(8x-2)2(2x+y)2(ab-3a)2
1
(—x-y)2(9ab-7)2(2n-2)2+7n2
5
11
(—m+—)2(-6t-5)23012
46
1
(-2cd+—)22922(3a+b-d)2
3
(3a+b+4)(3a+b-4)(x+y-5)(x+y+5)
(x+2)(x-2)-(x-1)(x-5)3962
(4x+y)2-(x-y)(x-2y)2(a+b)3
11
(—x+—y)2912(8x+6)2+8x2
27
1
(4x