varog ajutatima
(a, c, f, e)

Răspuns:
Explicație pas cu pas:
a) (5/3)+2/3 = 7/3
c) ({100/4)×25×5}/2×5∧4= (100×5×5×50/(4×2×5×5×5×5) = 25/2
f) [(3/7)×(7/4)]/(1/4)×(1/3) = (3/4)×( 3×4) = 9
e) [(10/4)×25×25]/ 10×10 = 125/8