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51, 53, 55
55 - 51 = 4
⇔ Bilangan Pertama → A
⇔ Bilangan Kedua → A + 2
⇔ Bilangan Ketiga → A + 4
≡ Penyelesaian:
⊕ Cara Pertama:
⇒ A + [A + 2] + [A + 4] = 159
⇒ 3A + 6 = 159
⇒ 3A = 159 - 6
⇒ 3A = 153
⇒ A = 51
→ Ketiga Bilangan → A, (A + 2), (A + 4) → 51, 53, 55
∴ Bilangan Terbesar - Terkecil = 55 - 51 = 4
⊕ Cara Kedua: [Faster Solution]
⇒ Bilangan Terbesar - Terkecil
⇒ (A + 4) - A
⇒ 4