3⁴+2⁷-6³ = 3 × 3 × 3 × 3 + 2 × 2 × 2 × 2 × 2 × 2 × 2 - 6 × 6 × 6 = 81 + 128 - 216 = 209 - 216 = -7
Ответ: -7