300 - 345∛ = 300 - (345^1/3) = 300 - 7.60683 ≈ 292.39317
690 - 454√ = 690 - (454^0.5) = 690 - 21.297 = 668.703
300 - 345∛ = 300 - (345^1/3) = 300 - 7.60683 ≈ 292.39317
690 - 454√ = 690 - (454^0.5) = 690 - 21.297 = 668.703