Question

efetue, mostrando os cálculos
:

a) (3,2 + 1,5) ²

b) (3,2)² + (1,5)²

c) (3,2 - 1,5)²

Answer 1

Boa tarde
 
a) (3,2 + 1,5)² = 4.7² = 22.09 

b) (3,2)² + (1,5)² = 10.24 + 2,25 = 12.49 

c) (3,2 - 1,5)² = 1.7² = 2.89