Soal :
23² - 12² = ?
Jawab :
23² - 12²
= ( 23 × 23 ) - 12²
= 529 - 12²
= 529 - ( 12 × 12 )
= 529 - 144
= 385
–––––
" Life is not a problem to be solved but a reality to be experienced! "
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Soal :
23² - 12² = ?
Jawab :
23² - 12²
= ( 23 × 23 ) - 12²
= 529 - 12²
= 529 - ( 12 × 12 )
= 529 - 144
= 385
–––––
:)