初一下册完全平方公式专项训练38.docx
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初一下册完全平方公式专项训练38.docx
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初一下册完全平方公式专项训练38
11
(—m-—)2(-7t-1)25052
33
1
(-2cd+—)29962(a+b-d)2
4
(a-b+4)(a-b-4)(4x+y-1)(4x+y+1)
(x+1)(x-1)+(x-1)(x-2)982
(6x+y)2-(x+y)(x-2y)2(2a+2b)3
11
(—x-—y)26932(x+3)2+4x2
66
1
(4xy-—x)23022(6n-4)2+5n2
5
(7x-5)2(7x+3y)2(xy+a)2
1
(—x+9y)2(ab+9)2(3n+4)2+5n2
6
11
(—m-—)2(-9t-3)22092
23
1
(-5cd+—)24992(2a+b-d)2
5
(2a+b+3)(2a+b-3)(2x+y-1)(2x+y+1)
(x+4)(x-4)-(x+5)(x+2)3972
(2x-y)2-2(x-y)(x-2y)2(a+3b)3
11
(—x+—y)2932(7x+4)2-3x2
39
1
(5xy+—x)21052(6n+5)2+8n2
5
(7x-7)2(5x-9y)2(mn+a)2
1
(—x+9y)2(2ab+8)2(5n+4)2+3n2
6
11
(—m+—)2(-t-6)29022
55
1
(-3cd-—)21962(2a+b-d)2
4
(3a-b+4)(3a-b-4)(2x+y-5)(2x+y+5)
(x+4)(x-4)-(x+4)(x-4)982
(3x-y)2-2(x-y)(x+2y)2(2a+3b)2
11
(—x-—y)2972(8x+8)2-4x2
26
1
(3xy-—x)27032(5n-5)2+9n2
5
(5x+2)2(8x-2y)2(xy+6a)2
1
(—x+5y)2(4ab+2)2(5n-1)2+10n2
3
11
(—m-—)2(-8t-8)21012
35
1
(-3cd+—)26972(a-b-d)2
6
(4a-b+3)(4a-b-3)(2x-y-1)(2x-y+1)
(x+4)(x-4)-(x-2)(x-1)8922
(5x-y)2-(x-y)(x+2y)2(2a-3b)3
11
(—x-—y)26972(2x+10)2+8x2
57
1
(3xy+—x)210092(3n+2)2-n2
3
(9x-2)2(6x-9y)2(mn+6a)2
1
(—x-6y)2(3ab+10)2(5n-3)2-9n2
6
11
(—m-—)2(-5t+10)28082
52
1
(-3cd-—)25962(2a+b+d)2
4
(2a+b+2)(2a+b-2)(x-y-3)(x-y+3)
(x+4)(x-4)+(x+5)(x+1)5942
(5x-y)2+4(x+y)(x-4y)2(2a-2b)3
11
(—x-—y)2982(5x+8)2-2x2
33
1
(2xy+—x)23082(4n-5)2-4n2
4
(4x-6)2(4x-5y)2(ab+a)2
1
(—x+4y)2(3ab+7)2(6n-2)2-5n2
3
11
(—m+—)2(-2t-5)24032
35
1
(-5cd+—)26942(3a-b+d)2
2
(3a-b+1)(3a-b-1)(2x+y-3)(2x+y+3)
(x+3)(x-3)-(x+4)(x+4)9922
(6x-y)2+4(x-y)(x+3y)2(a-2b)2
11
(—x-—y)21932(5x-7)2+x2
62
1
(6xy-—x)24062(5n-5)2-n2
4
(5x+2)2(4x+2y)2(xy+4a)2
1
(—x+y)2(ab-2)2(n-3)2+8n2
4
11
(—m-—)2(-t+1)27052
42
1
(-5cd-—)24942(3a-b+d)2
3
(2a-b+1)(2a-b-1)(3x+y-5)(3x+y+5)
(x+3)(x-3)-(x+2)(x+3)6942
(4x+y)2+2(x+y)(x+2y)2(a-3b)2
11
(—x+—y)27992(2x-7)2-6x2
56
1
(2xy-—x)29012(2n-4)2+7n2
2
(3x+2)2(2x-2y)2(mn-3a)2
1
(—x-8y)2(4ab+7)2(3n+2)2+4n2
5
11
(—m-—)2(-7t+7)21032
64
1
(-2cd+—)23952(3a-b+d)2
5
(3a+b+2)(3a+b-2)(x-y-1)(x-y+1)
(x+3)(x-3)+(x+1)(x+5)1932
(5x+y)2-2(x+y)(x-2y)2(a+2b)2
11
(—x-—y)25982(6x+6)2+4x2
39
1
(4xy+—x)23022(5n-3)2-10n2
3
(6x+7)2(5x+8y)2(bc-2a)2
1
(—x-4y)2(6ab-5)2(5n+1)2-6n2
5
11
(—m+—)2(-3t-5)21062
53
1
(-4cd-—)21972(2a+b-d)2
4
(3a+b+1)(3a+b-1)(4x+y-4)(4x+y+4)
(x+4)(x-4)-(x-2)(x+4)5992
(2x+y)2+3(x+y)(x-2y)2(a+3b)2
11
(—x+—y)21942(3x+3)2-9x2
63
1
(3xy-—x)29082(2n+5)2+6n2
5
(x-2)2(3x+8y)2(mn+5a)2
1
(—x+5y)2(4ab+8)2(6n-1)2-n2
6
11
(—m+—)2(-2t+9)26012
32
1
(-2cd-—)23952(3a-b-d)2
3
(3a-b+2)(3a-b-2)(4x+y-1)(4x+y+1)
(x+3)(x-3)+(x+4)(x+5)3952
(4x+y)2+3(x-y)(x+4y)2(a-2b)3
11
(—x+—y)21952(x-3)2-7x2
47
1
(6xy+—x)22062(5n-5)2+4n2
6
(3x+5)2(x-9y)2(bc+6a)2
1
(—x+3y)2(3ab+10)2(4n-3)2-n2
6
11
(—m-—)2(-6t-7)25092
26
1
(-6cd+—)28962(a+b-d)2
3
(3a+b+3)(3a+b-3)(2x-y-4)(2x-y+4)
(x+1)(x-1)-(x+1)(x-4)5942
(5x+y)2-2(x+y)(x+2y)2(2a-2b)3
11
(—x-—y)2992(8x-10)2-3x2
24
1
(4xy+—x)21072(2n-4)2+10n2
2
(8x+9)2(5x+6y)2(ab-3a)2
1
(—x-4y)2(4ab+8)2(5n-3)2+9n2
3
11
(—m-—)2(-9t+8)28092
35
1
(-5cd+—)29932(a+b-d)2
6
(3a+b+2)(3a+b-2)(x+y-3)(x+y+3)
(x+1)(x-1)+(x-3)(x-3)4962
(4x+y)2+4(x-y)(x-3y)2(2a-3b)2
11
(—x+—y)22992(8x-1)2+6x2
54
1
(5xy+—x)29092(6n+4)2-4n2
5
(3x-4)2(7x-6y)2(mn-6a)2
1
(—x+9y)2(5ab-10)2(5n+4)2-9n2
4
11
(—m-—)2(-7t+7)24042
52
1
(-6cd-—)24932(a-b+d)2
4
(a+b+5)(a+b-5)(4x-y-4)(4x-y+4)
(x+2)(x-2)-(x-3)(x-3)1992
(3x+y)2+(x-y)(x+3y)2(2a+b)3
11
(—x-—y)24932(3x+3)2+4x2
24
1
(4xy+—x)23082(n-2)2-4n2
5
(5x+4)2(3x-9y)2(bc+3a)2
1
(—x-9y)2(3ab+5)2(n-2)2+8n2
6
11
(—m-—)2(-6t+10)27092
36
1
(-5cd+—)21932(3a+b+d)2
6
(4a-b+1)(4a-b-1)(3x-y-2)(3x-y+2)
(x+3)(x-3)+(x+3)(x-3)7922
(2x+y)2-2(x+y)(x+4y)2(2a+b)2
11
(—x+—y)22962(9x-6)2+8x2
37
1
(3xy-—x)21022(2n-3)2+3n2
6
(7x-5)2(2x+8y)2(ab-6a)2
1
(—x+5y)2(3ab+8)2(6n+4)2+n2
2
11
(—m+—)2(-2t+1)25042
44
1
(-4cd-—)21922(2a+b+d)2
4
(a-b+1)(a-b-1)(4x+y-2)(4x+y+2)
(x+4)(x-4)-(x-3)(x-3)3942
(5x+y)2+2(x-y)(x-4y)2(2a+3b)2
11
(—x-—y)26962(7x+1)2-9x2
63
1
(3xy+—x)26072(4n+1)2-n2
3
(3x-1)2(x+7y)2(mn+3a)2
1
(—x+2y)2(4ab+10)2(n+5)2+7n2
3
11
(—m+—)2(-3t-6)24032
36
1
(-6cd+—)25992(a-b+d)2
3
(a-b+5)(a-b-5)(2x-y-3)(2x-y+3)
(x+2)(x-2)+(x-5)(x+2)1992
(2x+y)2+3(x-y)(x+3y)2(a-2b)2
11
(—x+—y)23912(7x+2)2-8x2
58
1
(5xy-—x)21022(2n-1)2+9n2
2
(9x+2)2(8x-3y)2(bc-a)2
1
(—x-4y)2(9ab+5)2(3n-4)2-5n2
6
11
(—m-—)2(-4t+4)28042
64
1
(-3cd+—)2982(2a-b+d)2
5
(a+b+5)(a+b-5)(x+y-1)(x+y+1)
(x+2)(x-2)+(x+4)(x-2)1962
(6x+y)2-2(x+y)(x+4y)2(2a-2b)2
11
(—x-—y)27952(8x+5)2+4x2
45
1
(3xy-—x)29062(n+5)2-6n2
3
(x+1)2(2x-9y)2(xy+6a)2
1
(—x-3y)2(ab-1)2(n-1)2+6n2
3
11
(—m+—)2(-7t+9)210052
45
1
(-6cd+—)29962(a+b+d)2
2
(a-b+1)(a-b-1)(x+y-5)(x+y+5)
(x+2)(x-2)-(x-2)(x+1)9932
(6x+y)2+(x+y)(x-4y)2(2a-2b)3
11
(—x+—y)24912(3x-1)2+8x2
39
1
(4xy-—x)2
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