Question

3) Quanto vale x ?
a) x² = 121
b) x5= 32
c) x² = 144
d) x² = 16

Answer 1

Resposta:

a) x² = 121        x = 11

b) x5= 32         x=  2

c) x² = 144       x= 12

d) x² = 16        x= 4