Question

6) calcule o valor das expressões numéricas a) (-6)² - (2)¹ = b) (+4)² + (-3)² = c) ( 15)¹ + (2)³ = d) (-30)² - (+40)¹ = E PRA HOJE

Answer 1

Resposta:

(a) -6-6-2=-14

(b)+4+4-3-3=+2

(c)=15+2+2+2=21

(s

(d)=-30-30-40=-60-40 =-100