(2,4-0,09:0,225)²+3,2-0,76-2,432.

(2.4 - 0.09 / 0.225)² + 3.2 - 0.76 - 2.432 = (2.4 - 0.4)² + 3.2 - 0.76 - 2.432 = 2² + 3.2 - 0.76 - 2.432 = 4 + 3.2 - 0.76 - 2.432 = 7.2 - 0.76 - 2.432 = 6.44 - 2.432 = 4.008