Question

Calcule o Valor das Expressões

Answer 1

a) (-5)²-(+10).(-8)
25-(-80)
105

b)√225÷(-1)¹0+( -23)
15÷1+(-23)
15+(-23)
-8

c){[(-40).(-20)]+[(+125)÷(-5)]}
{[800+(-25)]}
775

d){(-5-2)² ÷ 7¹+[90+√25].(-4)}
{(-7)²÷7+[90+5].(-4)}
{49÷7+95.(-4)}
7+(-380)
-373