初一下册完全平方公式专项训练15.docx
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初一下册完全平方公式专项训练15
1
(—x+7y)2(6ab+8)2(2n+1)2+10n2
5
11
(—m+—)2(-3t-5)21072
46
1
(-4cd+—)28992(2a+b+d)2
3
(2a-b+4)(2a-b-4)(2x+y-3)(2x+y+3)
(x+2)(x-2)+(x+3)(x+2)1982
(x-y)2+2(x-y)(x+2y)2(a-b)2
11
(—x+—y)25932(2x+9)2+x2
37
1
(3xy+—x)22032(5n+4)2-7n2
4
(7x-3)2(6x-y)2(ab+6a)2
1
(—x+4y)2(2ab+2)2(6n+3)2-9n2
6
11
(—m-—)2(-9t+9)22012
65
1
(-2cd+—)22982(3a-b+d)2
4
(2a-b+3)(2a-b-3)(x-y-3)(x-y+3)
(x+2)(x-2)+(x+2)(x-2)6912
(3x-y)2+3(x-y)(x+3y)2(2a+b)2
11
(—x-—y)22962(3x-1)2+x2
47
1
(5xy-—x)22092(2n-1)2-6n2
5
(8x-6)2(7x-7y)2(bc+a)2
1
(—x-y)2(2ab-3)2(5n+5)2-9n2
5
11
(—m+—)2(-9t-3)27062
36
1
(-2cd+—)28982(3a-b+d)2
5
(a-b+5)(a-b-5)(x-y-2)(x-y+2)
(x+2)(x-2)-(x-3)(x-1)6942
(5x+y)2+4(x+y)(x+3y)2(a-2b)2
11
(—x+—y)21962(9x-3)2+3x2
52
1
(2xy+—x)22032(6n+5)2+4n2
2
(8x-10)2(x+5y)2(xy+a)2
1
(—x-9y)2(4ab+1)2(4n-3)2+7n2
4
11
(—m+—)2(-9t-5)29012
23
1
(-4cd-—)21952(a+b+d)2
2
(2a-b+1)(2a-b-1)(3x+y-2)(3x+y+2)
(x+2)(x-2)-(x+2)(x-4)9912
(6x+y)2-3(x-y)(x-3y)2(2a-b)3
11
(—x+—y)24942(6x-7)2+4x2
47
1
(3xy-—x)21092(5n+1)2+6n2
3
(8x+2)2(5x+6y)2(xy-a)2
1
(—x-5y)2(ab+2)2(5n+4)2-5n2
5
11
(—m+—)2(-6t-5)23012
26
1
(-2cd+—)28972(2a+b+d)2
5
(a+b+4)(a+b-4)(2x+y-1)(2x+y+1)
(x+4)(x-4)+(x-1)(x+5)8972
(5x-y)2+(x-y)(x-3y)2(a+b)3
11
(—x-—y)25912(7x-10)2+9x2
36
1
(6xy-—x)28052(2n-3)2-9n2
6
(7x+5)2(5x+5y)2(xy-5a)2
1
(—x+7y)2(8ab-10)2(2n+1)2-n2
2
11
(—m+—)2(-7t+7)22072
22
1
(-3cd-—)29922(2a-b-d)2
2
(a-b+1)(a-b-1)(x-y-5)(x-y+5)
(x+1)(x-1)+(x+1)(x-5)4952
(4x-y)2+4(x-y)(x+4y)2(a+2b)3
11
(—x+—y)26932(7x+9)2-5x2
64
1
(6xy+—x)29042(n-3)2-7n2
4
(5x+8)2(4x-2y)2(bc-4a)2
1
(—x+y)2(2ab+9)2(5n-1)2+6n2
3
11
(—m+—)2(-t-2)28072
23
1
(-5cd-—)28932(a-b-d)2
2
(4a+b+1)(4a+b-1)(3x+y-1)(3x+y+1)
(x+2)(x-2)+(x-2)(x-5)9982
(2x+y)2-2(x+y)(x-2y)2(2a-b)2
11
(—x-—y)21962(5x-1)2-3x2
48
1
(2xy+—x)23092(5n+1)2+n2
3
(5x+5)2(4x-2y)2(bc-a)2
1
(—x+y)2(4ab-6)2(2n-5)2-6n2
6
11
(—m-—)2(-8t-8)210082
52
1
(-4cd+—)25992(3a+b+d)2
3
(2a+b+2)(2a+b-2)(2x+y-1)(2x+y+1)
(x+1)(x-1)+(x-1)(x-1)1952
(3x+y)2+3(x+y)(x-3y)2(2a-b)3
11
(—x+—y)27962(6x-4)2+3x2
39
1
(5xy-—x)27012(3n-1)2-4n2
2
(7x+2)2(2x+8y)2(xy-6a)2
1
(—x+6y)2(4ab-9)2(n+3)2+9n2
5
11
(—m+—)2(-t+4)29012
66
1
(-2cd+—)22982(3a-b+d)2
4
(4a-b+1)(4a-b-1)(3x-y-5)(3x-y+5)
(x+1)(x-1)+(x+2)(x+5)4982
(3x-y)2+3(x-y)(x+4y)2(a-2b)2
11
(—x+—y)24992(6x+4)2-4x2
56
1
(6xy+—x)24062(6n+3)2-n2
4
(7x-9)2(9x+6y)2(xy+5a)2
1
(—x-3y)2(8ab+2)2(3n+4)2-7n2
2
11
(—m-—)2(-7t-6)29062
32
1
(-3cd+—)28942(2a-b+d)2
2
(a+b+5)(a+b-5)(4x+y-1)(4x+y+1)
(x+4)(x-4)+(x-5)(x-1)7952
(4x-y)2-3(x-y)(x-3y)2(a-b)3
11
(—x-—y)27932(6x+7)2-3x2
26
1
(4xy+—x)21032(2n-5)2-7n2
3
(3x-7)2(4x-2y)2(mn-4a)2
1
(—x+9y)2(8ab-4)2(5n+5)2-8n2
3
11
(—m-—)2(-9t-3)27032
55
1
(-3cd+—)24962(a-b+d)2
2
(4a-b+2)(4a-b-2)(4x-y-4)(4x-y+4)
(x+4)(x-4)-(x+2)(x+4)1972
(6x+y)2-4(x-y)(x+4y)2(a-b)2
11
(—x-—y)24922(3x-5)2-6x2
47
1
(2xy+—x)27062(4n-3)2-9n2
4
(2x-8)2(8x+9y)2(bc-2a)2
1
(—x+5y)2(5ab+5)2(6n-4)2-8n2
6
11
(—m-—)2(-4t-7)28052
64
1
(-2cd+—)24932(2a+b+d)2
4
(a+b+2)(a+b-2)(2x-y-3)(2x-y+3)
(x+2)(x-2)+(x-2)(x-4)4942
(4x+y)2+(x+y)(x-4y)2(2a-3b)2
11
(—x+—y)29972(4x-1)2+8x2
52
1
(6xy+—x)24012(3n+4)2+4n2
5
(2x+8)2(3x-8y)2(bc+a)2
1
(—x+y)2(4ab+1)2(n+5)2+8n2
5
11
(—m-—)2(-6t-9)22082
54
1
(-2cd-—)27992(a+b+d)2
2
(4a+b+1)(4a+b-1)(3x-y-2)(3x-y+2)
(x+3)(x-3)+(x+4)(x-1)3982
(3x+y)2+(x+y)(x+3y)2(a-2b)2
11
(—x-—y)25942(x+2)2+2x2
58
1
(4xy-—x)21032(2n+5)2-6n2
6
(9x-6)2(x-3y)2(ab+5a)2
1
(—x+8y)2(2ab-1)2(2n-2)2+2n2
6
11
(—m+—)2(-7t+3)27092
65
1
(-6cd-—)24942(a-b+d)2
6
(3a+b+1)(3a+b-1)(4x+y-1)(4x+y+1)
(x+2)(x-2)-(x-5)(x+2)1942
(5x+y)2-4(x+y)(x-3y)2(2a-3b)2
11
(—x+—y)21932(7x-5)2+x2
68
1
(6xy-—x)23072(4n+1)2-10n2
3
(x-4)2(5x+5y)2(xy+5a)2
1
(—x-7y)2(5ab-9)2(2n-1)2+6n2
2
11
(—m+—)2(-8t-2)26012
65
1
(-4cd-—)22942(2a+b+d)2
2
(2a-b+4)(2a-b-4)(3x+y-1)(3x+y+1)
(x+4)(x-4)+(x+4)(x-3)8952
(x+y)2-3(x+y)(x-2y)2(2a-b)3
11
(—x+—y)21952(9x-9)2+8x2
66
1
(4xy+—x)21022(6n-5)2-10n2
5
(7x-9)2(8x+9y)2(mn-4a)2
1
(—x+6y)2(4ab-7)2(2n-3)2+9n2
2
11
(—m+—)2(-t+6)26032
52
1
(-6cd-—)21962(3a+b-d)2
3
(a+b+2)(a+b-2)(3x+y-5)(3x+y+5)
(x+2)(x-2)+(x+3)(x+4)9992
(2x+y)2+4(x-y)(x+4y)2(a-b)2
11
(—x-—y)2952(4x+9)2+2x2
24
1
(4xy-—x)21042(6n+1)2+6n2
3
(2x-1)2(2x+8y)2(mn+5a)2
1
(—x-4y)2(8ab-4)2(n-2)2-7n2
3
11
(—m-—)2(-4t+3)26082
56
1
(-4cd-—)2932(a-b-d)2
6
(4a-b+2)(4a-b-2)(4x+y-1)(4x+y+1)
(x+4)(x-4)-(x+1)(x+1)8972
(6x+y)2-4(x+y)(x-2y)2(2a+3b)3
11
(—x+—y)28952(5x+2)2+8x2
22
1
(6xy-—x)23042(5n+1)2+7n2
5
(7x-1)2(6x+4y)2(xy-2a)2
1
(—x+8y)2(8ab-4)2(2n+5)2-n2
6
11
(—m-—)2(-t+10)29032
53
1
(-6cd-—)23932(3a-b-d)2
4
(3a+b+2)(3a+b-2)(4x+y-4)(4x+y+4)
(x+1)(x-1)+(x+3)(x-4)1942
(2x+y)2-2(x+y)(x-2y)2(2a-2b)2
11
(—x+—y)26982