Răspuns:
Explicație pas cu pas:
[(5/9 - 17/4 • 2/51) • 3/8 + 1/6] • 16/15 =
simplificam
[(5/9 - 1/6) • 3/8 + 1/6] • 16/15 =
amplificam
[(10/18 - 3/18)• 3/8 + 1/6] • 16/15 =
( 7/48 + 1/6) • 16/15 =
amplificam
(7/48 + 8/48) • 16/15 =
15/48 • 16/15 =
simplificam
=1/3