Question

aflati un numar stiind ca adaugam 5 supra 6 la o treime din el obtinem 13 supra 12...Ofer coronita!❤

Answer 1

a/3+5/6=13/12
a/3=13/12-5/6
a/3=13/12-10/12
a/3=3/12
a/3=1/4
a=3/4