20 Keys to Happiness: Real life tips for happiness

20 Keys to Happiness: Real life tips for happiness

Matematika hasil dari 2010² - 2009² adalah...

*pakai sifat aljabar​

hasil dari 2010² - 2009² adalah...

*pakai sifat aljabar​

2010² - 2009²

= (2010 - 2009)(2010 + 2009)

= 1(4019)

= 4.019

Sifat aljabar :

[tex]\boxed{\rm{a^2 - b^2 = (a-b)(a+b)}}[/tex]

— Xanella ( ;∀;)

  • 2.010² - 2.009²
  • ( a + b ) × ( a - b )
  • ( 2.010 + 2.009 ) × ( 2.010 - 2.009 )
  • 4.019 × 1
  • 4.019

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