初一下册完全平方公式专项训练50.docx
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初一下册完全平方公式专项训练50
1
(3xy-—x)23032(3n-3)2-10n2
2
(3x+3)2(4x+8y)2(xy+3a)2
1
(—x+9y)2(6ab+3)2(6n+5)2-3n2
6
11
(—m+—)2(-2t+7)26072
53
1
(-2cd+—)26922(2a+b+d)2
2
(2a-b+2)(2a-b-2)(3x-y-5)(3x-y+5)
(x+1)(x-1)+(x+1)(x-5)3952
(4x+y)2-(x-y)(x+4y)2(2a-b)3
11
(—x-—y)24992(7x-10)2+2x2
28
1
(4xy+—x)26092(6n+5)2+3n2
4
(7x+10)2(3x+7y)2(xy+5a)2
1
(—x+6y)2(5ab-7)2(2n+4)2-4n2
3
11
(—m-—)2(-6t-10)29062
36
1
(-6cd+—)25952(2a+b+d)2
5
(a+b+5)(a+b-5)(x-y-5)(x-y+5)
(x+4)(x-4)-(x+4)(x+5)7942
(3x+y)2-4(x-y)(x-4y)2(a+3b)2
11
(—x+—y)26952(5x+4)2-7x2
58
1
(3xy-—x)27072(5n+3)2+4n2
2
(9x+10)2(x+y)2(bc+2a)2
1
(—x-3y)2(9ab+2)2(3n-2)2-7n2
6
11
(—m-—)2(-t+6)29072
52
1
(-5cd+—)26932(a+b+d)2
5
(a-b+3)(a-b-3)(4x-y-4)(4x-y+4)
(x+4)(x-4)+(x+3)(x-1)9912
(6x-y)2-4(x-y)(x-4y)2(2a+b)3
11
(—x+—y)29932(5x-6)2+2x2
35
1
(3xy-—x)210092(3n+1)2+2n2
3
(5x-9)2(4x-5y)2(xy+6a)2
1
(—x+6y)2(6ab+10)2(2n-5)2+2n2
3
11
(—m+—)2(-8t-9)28072
42
1
(-3cd-—)22962(3a+b-d)2
3
(2a+b+2)(2a+b-2)(x+y-5)(x+y+5)
(x+4)(x-4)+(x-1)(x-1)7982
(2x+y)2-2(x-y)(x+3y)2(a-b)2
11
(—x+—y)27942(3x+1)2-9x2
36
1
(5xy-—x)23022(n-4)2+5n2
5
(5x+7)2(9x-y)2(ab-2a)2
1
(—x+y)2(2ab-7)2(4n+4)2-5n2
4
11
(—m-—)2(-t-1)28082
43
1
(-6cd+—)23972(2a+b+d)2
2
(3a+b+2)(3a+b-2)(3x+y-5)(3x+y+5)
(x+3)(x-3)+(x-5)(x+3)8972
(4x+y)2+4(x+y)(x-3y)2(a+b)2
11
(—x-—y)29982(9x-3)2+4x2
69
1
(2xy+—x)24012(5n+5)2+7n2
4
(4x+7)2(2x-y)2(ab-3a)2
1
(—x+9y)2(6ab+2)2(n-2)2+n2
6
11
(—m-—)2(-3t-5)28082
55
1
(-3cd-—)28982(2a+b+d)2
5
(2a-b+2)(2a-b-2)(2x-y-1)(2x-y+1)
(x+3)(x-3)+(x+1)(x+5)7942
(3x-y)2+4(x+y)(x+4y)2(2a+b)3
11
(—x-—y)2972(3x-7)2+6x2
49
1
(4xy+—x)25052(4n-5)2-n2
6
(5x-10)2(4x+4y)2(bc-5a)2
1
(—x-y)2(5ab+8)2(4n+3)2-10n2
6
11
(—m-—)2(-4t-6)23072
24
1
(-6cd-—)24962(a+b+d)2
4
(3a+b+2)(3a+b-2)(2x+y-1)(2x+y+1)
(x+2)(x-2)-(x+5)(x-3)7982
(3x+y)2+(x-y)(x-3y)2(2a-b)2
11
(—x+—y)29952(9x-10)2+6x2
52
1
(2xy-—x)22012(6n+5)2-5n2
6
(3x-5)2(6x+y)2(mn+3a)2
1
(—x+y)2(2ab+3)2(6n+1)2-4n2
5
11
(—m-—)2(-t+10)23072
62
1
(-2cd+—)2992(a-b+d)2
3
(3a-b+1)(3a-b-1)(2x-y-4)(2x-y+4)
(x+3)(x-3)+(x+5)(x-2)1952
(6x-y)2+2(x-y)(x-4y)2(a-2b)3
11
(—x+—y)26952(5x-4)2+2x2
43
1
(3xy+—x)25032(n-4)2-10n2
3
(7x-4)2(9x-3y)2(bc+4a)2
1
(—x+8y)2(3ab-8)2(6n+4)2+5n2
6
11
(—m-—)2(-9t-2)22052
64
1
(-6cd+—)23942(2a-b-d)2
4
(2a+b+1)(2a+b-1)(3x+y-3)(3x+y+3)
(x+4)(x-4)-(x+3)(x+2)6922
(5x+y)2-2(x-y)(x-4y)2(a-b)3
11
(—x+—y)25932(9x-9)2+5x2
48
1
(4xy+—x)27042(2n-4)2+8n2
2
(4x+1)2(2x+8y)2(mn+4a)2
1
(—x-9y)2(9ab+5)2(3n+5)2-n2
3
11
(—m+—)2(-2t+3)28022
22
1
(-4cd-—)22942(3a+b-d)2
3
(3a+b+5)(3a+b-5)(4x-y-1)(4x-y+1)
(x+1)(x-1)+(x-5)(x-3)3982
(4x-y)2+4(x-y)(x+4y)2(2a+2b)2
11
(—x-—y)24962(9x-8)2+8x2
22
1
(4xy-—x)25062(4n+3)2-n2
4
(x-1)2(9x-8y)2(ab+a)2
1
(—x+2y)2(5ab-1)2(2n+3)2-8n2
5
11
(—m+—)2(-8t-6)24052
64
1
(-4cd+—)27982(2a-b-d)2
3
(4a+b+5)(4a+b-5)(2x+y-5)(2x+y+5)
(x+3)(x-3)-(x-1)(x-1)2992
(6x+y)2-4(x+y)(x+3y)2(a+3b)2
11
(—x+—y)2922(4x+3)2+9x2
57
1
(2xy-—x)22012(2n-4)2+2n2
3
(3x+3)2(7x+9y)2(xy+2a)2
1
(—x+2y)2(ab-6)2(3n-3)2-5n2
2
11
(—m+—)2(-4t+2)23082
54
1
(-2cd-—)27932(3a+b+d)2
6
(a+b+3)(a+b-3)(x+y-3)(x+y+3)
(x+1)(x-1)-(x-2)(x-4)6932
(5x-y)2+(x+y)(x+2y)2(2a+2b)3
11
(—x-—y)23922(6x-6)2-x2
47
1
(4xy+—x)23062(6n+3)2-4n2
4
(8x+4)2(9x+6y)2(bc+5a)2
1
(—x-7y)2(ab-3)2(3n+2)2+10n2
3
11
(—m+—)2(-3t-6)210082
43
1
(-2cd+—)2972(3a-b-d)2
6
(a+b+4)(a+b-4)(3x-y-5)(3x-y+5)
(x+1)(x-1)-(x-4)(x-3)8942
(6x-y)2+4(x+y)(x+4y)2(2a-b)3
11
(—x+—y)29942(3x-6)2-7x2
57
1
(5xy-—x)210062(4n+1)2-4n2
5
(4x+8)2(5x-2y)2(mn+4a)2
1
(—x-8y)2(ab+10)2(5n-2)2+4n2
6
11
(—m+—)2(-3t-7)23072
66
1
(-2cd-—)22962(3a+b-d)2
3
(a-b+2)(a-b-2)(2x+y-4)(2x+y+4)
(x+3)(x-3)+(x-1)(x+2)8992
(2x-y)2+4(x-y)(x-3y)2(2a+b)2
11
(—x+—y)28912(2x-2)2+5x2
57
1
(4xy-—x)27062(5n-2)2-9n2
4
(7x-10)2(6x+8y)2(ab+3a)2
1
(—x-6y)2(2ab+10)2(2n-5)2-9n2
4
11
(—m-—)2(-t+6)29022
25
1
(-6cd+—)23922(2a-b-d)2
3
(4a-b+4)(4a-b-4)(2x-y-5)(2x-y+5)
(x+4)(x-4)+(x+4)(x-5)4932
(x-y)2-3(x+y)(x-3y)2(2a+2b)3
11
(—x+—y)24962(x-7)2-8x2
38
1
(3xy-—x)28032(3n-1)2+6n2
5
(8x-7)2(4x+y)2(ab-4a)2
1
(—x+2y)2(5ab+5)2(3n+3)2-10n2
4
11
(—m+—)2(-t+3)23052
35
1
(-5cd-—)21972(2a+b-d)2
6
(a+b+5)(a+b-5)(3x+y-2)(3x+y+2)
(x+3)(x-3)+(x-4)(x+2)982
(2x-y)2+3(x+y)(x-3y)2(a+2b)3
11
(—x+—y)23932(4x-8)2+x2
48
1
(6xy-—x)23052(n-4)2-4n2
6
(5x-8)2(4x+7y)2(bc+5a)2
1
(—x+9y)2(9ab+2)2(4n-3)2+8n2
3
11
(—m+—)2(-6t+8)25022
24
1
(-2cd-—)21972(a+b+d)2
2
(3a-b+2)(3a-b-2)(2x+y-1)(2x+y+1)
(x+4)(x-4)+(x+2)(x+4)8942
(5x+y)2-3(x-y)(x+2y)2(2a+3b)2
11
(—x-—y)21942(6x-7)2+8x2
65
1
(2xy+—x)21082(3n+1)2-7n2
3
(8x+9)2(3x-3y)2(ab+6a)2
1
(—x-5y)2(3ab-6)2(3n+2)2-2n2
6
11
(—m+—)2(-4t+10)24082
55
1
(-5cd+—)26992(2a+b-d)2
6
(2a+b+2)(2a+b-2)(2x-y-5)(2x-y+5)
(x+3)(x-3)-(x-5)(