Question

5. Resolva: a) ( +15 ) : ( +3 ) = b) ( -36 ) : ( -9 ) = c) ( -90 ) : ( +5 ) = d) ( +45 ) : ( -9 ) =

Answer 1

Resposta:

a) +5

b) +4

c) -18

d) +5

Esperoter ajudado.