(1 1/2 + 5/8 - 7/12) : (3 1/4 - 1 2/3) • (3/5)²

Răspuns:
(3/2 + 5/8 - 7/12) : (13/4-5/3)×9/25=
37/24 : 19/12 × 9/25 =
37/24×12/19×9/25 =
37/2×1/19×9/25 =
333/950