Question

Se considera numerele a= 1 supra 2 ,b=2 supra 3,si c=5supra 4 Calculeaza Va rog frumos sa ma ajuta-ti

Answer 1

(³⁾5/4-⁴⁾2/3+⁶⁾1/2)×(³⁾5/4-⁶⁾1/2-⁴⁾2/3)=
(15/12-8/12+6/12)(15/12-6/12-8/12)=
(15-8+6)/12×(15-6-8)/12=
13/12×1/12=
13/144