Question

daca a*b= 9/5 si c= 20/27, atunci a*(b*c) = ?

Answer 1

a*b= 9/5  c= 20/27, atunci a*(b*c) =  (a*b)*c = 9/5*20/27=dupa simplificare:4/3
a*(b*c)=4/3

Answer 2

9/5*20/27=4/3 (vezi ca acolo am simplificat)