Penjelasan dengan langkah-langkah:
= 89² + 34² - 21²
= (89.89) + (34.34) - (21.21)
= 7921 + 1156 - 441
= 9077 - 441
= 8.636
89² + 34² - 21²
(89 × 89) + (34 × 34) - (21 × 21)
7921 + 1156 - 441
9.077 - 441
8.636
- NL -
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Penjelasan dengan langkah-langkah:
= 89² + 34² - 21²
= (89.89) + (34.34) - (21.21)
= 7921 + 1156 - 441
= 9077 - 441
= 8.636
89² + 34² - 21²
(89 × 89) + (34 × 34) - (21 × 21)
7921 + 1156 - 441
9.077 - 441
8.636
- NL -