初一下册完全平方公式专项训练39.docx

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初一下册完全平方公式专项训练39.docx

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初一下册完全平方公式专项训练39.docx

初一下册完全平方公式专项训练39

(4a-b+2)(4a-b-2)(x+y-4)(x+y+4)

(x+1)(x-1)+(x+5)(x+4)1942

(5x+y)2-2(x+y)(x-2y)2(2a-b)3

11

(—x-—y)28992(3x+8)2-5x2

43

1

(5xy-—x)26032(4n-3)2-3n2

5

(5x-5)2(5x+3y)2(mn+4a)2

1

(—x-7y)2(7ab-2)2(4n-5)2-2n2

5

11

(—m+—)2(-8t-4)26092

56

1

(-3cd+—)2962(3a-b+d)2

4

(4a-b+5)(4a-b-5)(x+y-2)(x+y+2)

(x+1)(x-1)+(x+3)(x-1)9962

(3x-y)2+2(x-y)(x-3y)2(a-2b)3

11

(—x+—y)21972(3x+8)2+7x2

35

1

(6xy+—x)22052(n+4)2+8n2

4

(8x-3)2(8x+3y)2(bc-a)2

1

(—x+3y)2(5ab+3)2(4n-2)2-6n2

5

11

(—m+—)2(-9t-10)27042

65

1

(-5cd-—)23912(3a-b-d)2

6

(a-b+3)(a-b-3)(2x-y-3)(2x-y+3)

(x+1)(x-1)+(x+1)(x-4)1922

(4x-y)2-2(x+y)(x-2y)2(a-2b)3

11

(—x-—y)22972(4x+8)2+2x2

35

1

(2xy+—x)210062(4n-3)2-n2

3

(6x+2)2(6x+5y)2(bc-5a)2

1

(—x+7y)2(3ab-1)2(6n-1)2+3n2

6

11

(—m+—)2(-7t+4)29032

23

1

(-4cd+—)26912(a-b-d)2

4

(a-b+3)(a-b-3)(x-y-3)(x-y+3)

(x+3)(x-3)+(x+4)(x-1)9922

(6x+y)2-2(x+y)(x-2y)2(a+3b)2

11

(—x-—y)22912(9x-10)2-6x2

49

1

(6xy-—x)29082(4n-4)2-2n2

6

(4x+2)2(9x+7y)2(mn+2a)2

1

(—x+y)2(2ab-2)2(4n+1)2-2n2

6

11

(—m+—)2(-5t+4)25012

32

1

(-3cd+—)27992(3a-b+d)2

4

(a-b+5)(a-b-5)(4x+y-2)(4x+y+2)

(x+4)(x-4)+(x+2)(x+5)4922

(3x-y)2-3(x-y)(x-2y)2(a+3b)2

11

(—x-—y)23942(8x+6)2-9x2

62

1

(4xy+—x)22032(5n-4)2+5n2

2

(8x+5)2(6x-6y)2(mn+3a)2

1

(—x+2y)2(8ab+8)2(2n-1)2+3n2

3

11

(—m-—)2(-6t-9)23092

42

1

(-4cd+—)27982(2a+b+d)2

5

(4a-b+5)(4a-b-5)(4x+y-5)(4x+y+5)

(x+1)(x-1)-(x-2)(x-4)8962

(4x-y)2+4(x+y)(x+2y)2(a-b)2

11

(—x+—y)23932(9x-1)2-8x2

56

1

(6xy-—x)21042(5n-2)2+8n2

6

(9x+9)2(7x+6y)2(mn+a)2

1

(—x+9y)2(7ab+5)2(5n+3)2-10n2

6

11

(—m-—)2(-3t-6)22072

46

1

(-3cd-—)2932(a-b+d)2

4

(2a+b+4)(2a+b-4)(3x+y-4)(3x+y+4)

(x+2)(x-2)-(x-5)(x-4)6982

(3x-y)2+3(x-y)(x-3y)2(2a-2b)2

11

(—x-—y)29932(6x+5)2-7x2

48

1

(4xy-—x)29092(3n+5)2-4n2

3

(5x-8)2(2x-4y)2(ab+3a)2

1

(—x+8y)2(8ab-5)2(5n+4)2-8n2

4

11

(—m-—)2(-7t+1)23012

56

1

(-3cd-—)22912(2a-b+d)2

4

(4a-b+2)(4a-b-2)(4x+y-5)(4x+y+5)

(x+4)(x-4)+(x+2)(x-5)2922

(3x-y)2-(x-y)(x-4y)2(a-2b)3

11

(—x+—y)22932(6x-7)2+x2

36

1

(3xy+—x)26012(3n-5)2+3n2

5

(5x+3)2(6x-9y)2(mn+4a)2

1

(—x-7y)2(9ab-9)2(3n-5)2-7n2

6

11

(—m+—)2(-t-10)21012

23

1

(-3cd+—)23972(2a-b+d)2

5

(4a+b+2)(4a+b-2)(x-y-3)(x-y+3)

(x+4)(x-4)-(x-1)(x-2)8962

(2x-y)2-3(x+y)(x+3y)2(a-3b)3

11

(—x-—y)24952(x-6)2-3x2

55

1

(6xy+—x)26062(3n-3)2-7n2

3

(9x+10)2(x+y)2(ab-3a)2

1

(—x-6y)2(8ab-7)2(3n+3)2+n2

6

11

(—m-—)2(-8t+10)25012

36

1

(-5cd-—)26942(a-b-d)2

5

(2a-b+3)(2a-b-3)(x-y-3)(x-y+3)

(x+2)(x-2)+(x+4)(x+5)8942

(x+y)2+4(x-y)(x+3y)2(a+3b)3

11

(—x+—y)25982(x-8)2-8x2

42

1

(6xy-—x)28062(6n-5)2+9n2

6

(6x+3)2(5x+9y)2(ab-2a)2

1

(—x+6y)2(7ab-5)2(2n-4)2-2n2

2

11

(—m-—)2(-5t-5)24012

55

1

(-4cd+—)21952(a-b-d)2

3

(2a+b+1)(2a+b-1)(2x-y-5)(2x-y+5)

(x+2)(x-2)-(x-1)(x+2)1912

(6x-y)2+(x-y)(x+3y)2(a-2b)3

11

(—x+—y)25962(3x-2)2-x2

54

1

(4xy+—x)210062(6n-4)2+6n2

2

(5x+7)2(x-5y)2(xy-3a)2

1

(—x+9y)2(ab+1)2(3n-3)2-8n2

4

11

(—m-—)2(-3t-1)24052

26

1

(-4cd-—)23912(a-b+d)2

6

(a+b+5)(a+b-5)(2x-y-3)(2x-y+3)

(x+2)(x-2)-(x+3)(x+3)2922

(5x+y)2+4(x-y)(x-2y)2(2a+b)2

11

(—x+—y)26932(4x+1)2+6x2

56

1

(3xy-—x)210022(4n+1)2-7n2

3

(7x+7)2(7x-7y)2(bc-2a)2

1

(—x-2y)2(5ab+10)2(6n-4)2-2n2

4

11

(—m-—)2(-7t+10)21072

43

1

(-5cd-—)25972(3a-b-d)2

2

(2a+b+4)(2a+b-4)(3x-y-3)(3x-y+3)

(x+2)(x-2)-(x+3)(x-2)9942

(6x-y)2+2(x+y)(x+2y)2(a-b)3

11

(—x+—y)24992(x+7)2+3x2

69

1

(6xy+—x)22062(6n-3)2+10n2

3

(3x+5)2(6x-4y)2(bc+2a)2

1

(—x-4y)2(5ab+2)2(5n+4)2+5n2

6

11

(—m-—)2(-7t+8)26042

64

1

(-4cd-—)27992(3a-b+d)2

4

(3a-b+2)(3a-b-2)(4x+y-3)(4x+y+3)

(x+4)(x-4)+(x+4)(x+1)8942

(4x-y)2+(x+y)(x+2y)2(a+b)3

11

(—x+—y)2952(5x-8)2+4x2

63

1

(2xy+—x)210072(5n+3)2-n2

2

(7x-7)2(8x-5y)2(bc+3a)2

1

(—x+y)2(9ab+1)2(n-4)2-4n2

4

11

(—m+—)2(-2t-2)22022

52

1

(-4cd-—)23942(2a-b+d)2

5

(4a-b+4)(4a-b-4)(2x-y-5)(2x-y+5)

(x+2)(x-2)+(x-4)(x-4)4932

(4x-y)2+(x+y)(x+2y)2(a+b)3

11

(—x+—y)29932(6x-9)2+9x2

66

1

(2xy-—x)25042(3n-1)2-7n2

6

(4x-3)2(4x+5y)2(bc-4a)2

1

(—x-5y)2(6ab-7)2(6n+2)2-3n2

3

11

(—m+—)2(-6t+6)28072

53

1

(-5cd-—)24992(3a+b+d)2

3

(3a+b+2)(3a+b-2)(3x-y-3)(3x-y+3)

(x+4)(x-4)+(x+3)(x-2)3922

(3x+y)2+(x-y)(x-2y)2(2a+3b)2

11

(—x-—y)2912(7x+8)2+7x2

39

1

(2xy-—x)27082(4n-3)2+7n2

2

(4x-3)2(6x-8y)2(xy+4a)2

1

(—x+4y)2(5ab+10)2(n+1)2+6n2

6

11

(—m-—)2(-t-10)27042

22

1

(-5cd-—)21982(2a+b-d)2

6

(a-b+5)(a-b-5)(3x+y-2)(3x+y+2)

(x+3)(x-3)+(x+4)(x-1)6972

(x-y)2-(x+y)(x+2y)2(a-3b)2

11

(—x-—y)24962(7x-10)2-6x2

49

1

(5xy-—x)210092(5n+5)2-n2

3

(8x+8)2(3x+5y)2(xy-a)2

1

(—x-3y)2(4ab-9)2(2n+2)2+n2

2

11

(—m+—)2(-2t+5)210082

65

1

(-2cd+—)2912(a+b+d)2

2

(2a+b+5)(2a+b-5)(4x-y-4)(4x-y+4)

(x+4)(x-4)-(x-1)(x+5)8932

(4x+y)2+4(x-y)(x-4y)2(a+3b)2

11

(—x-—y)21992(6x-8)2+5x2

26

1

(3xy-—x)29012(5n+4)2+6n2

3

(6x+2)2(4x+4y)2(mn+a)2

1

(—x-6y)2(9ab+8)2

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