Va rog ajutati-ma dau coroana

3/4 + 4/3 - 2 3/4×4/3 =
= 3/4 + 4/3 -11/4×4/3
= ³⁾3/4 + ⁴⁾4/3 - ⁴⁾11/3
= (9 + 16 - 44)/12
= - 19/12