Răspuns:
[(5/9-17/4÷51/2)×3/8+1/6]÷15/16=
=[(5/9-17/4×2/51)×3/8+1/6]÷15/16=
=[ (5/9-1/6)×3/8+1/6]÷15/16=
=(7/18×3/8+1/6)÷15/16=
=(7/48+1/6)÷15/16=
=15/48×16/15=
=1/3
Sper ca te-am ajutat!
