Jawaban:
Soal:
34² - 12² + 78² = ....
_______________________________
Cara:
= 34² - 12² + 78²
= ( 34 × 34 ) - ( 12 × 12 ) + ( 78 × 78 )
= 1.156 - ( 12 × 12 ) + ( 78 × 78 )
= 1.156 - 144 + ( 78 × 78 )
= 1.156 - 144 + 6.084
= 1.012 + 6.084
= 7.096
"Kesimpulan"
→ 34² - 12² + 78²
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Jawaban:
Soal:
34² - 12² + 78² = ....
_______________________________
Cara:
= 34² - 12² + 78²
= ( 34 × 34 ) - ( 12 × 12 ) + ( 78 × 78 )
= 1.156 - ( 12 × 12 ) + ( 78 × 78 )
= 1.156 - 144 + ( 78 × 78 )
= 1.156 - 144 + 6.084
= 1.012 + 6.084
= 7.096
_______________________________
"Kesimpulan"
Soal :
→ 34² - 12² + 78²