Question

A) 23/21 : - 45/9 =
B)25,3 : -1,1=
C) +138,82: + 5,5=

Answer 1

Vamos là.

a)

(23/21)/(-45/9) =

-(23/21)*(9/45) =

-(23*9)/(21*45) =

-207/945 = -23/105

b)

-25,3/1,1 = -23

c)

138,82 / 5,5 = 25,24