Question

0.3.(8,7)ao quadrado+20,16:(-4,2)+23,2-(-5,3)ao quadrado

Answer 1

Boa noite 

0.3 * (8.7)²  + 20.16 * (-4.2) + 23.2 - (-5.3)²

0.3 * 75.69 + 20.16 * (-4.2) + 23.2 - 28.09 

22.707 - 84.672 + 23.2 - 28.09 

22.707 + 23.2 - 84.672 - 28.09 

45.907 - 112.762 = -66.855