Question

Al resolver (2/3-1/3) : (2/5+1/2) se obtiene:

a) 10/27
b) -27/10
c) 9/10
d) -9/10

Answer 1

(2/3-1/3):(2/5+1/2)=
1/3:(4+5)/10=
1/3:9/10=
1/3×10/9=
10/27


:D