Question

EFETUE AS DIVISÕES DE NÚMEROS RACIONAIS E SIMPLIFIQUE SE POSSÍVEL.
a) ( + 2/5) : ( - 3/4)=
b) ( -2 1/4) : ( - 6/2)=
c) ( +4/5) : (+ 2/3)=

Answer 1

A) (+2/5):(-3/4)= -(2×4)/(5×3)=-8/15
B)(-9/4):(-3)=+9/12=+3/4
C)(+4/5):(+2/3)=+(4×3)/(5×2)=+12/10=+6/5