[(3/5)⁷:(3/5)⁴+5*(4/5)-(3/5)³]*5/8
[(3/5)³+4-(3/5)³]*5/8
4*5/8=5/2
[(3+4+5)/6*7/12-109/18]*1/4:(137/25-4/3)
(2*7/12-109/18)*1/4:(137*3-100)/75
(7/6-109/18)*1/4:311/75
(-88/18)*1/4*75/311
-11/9*75/311
-275/933
dc. s a strecurat vre o greseala,spune mi s o indrept
rez.cu minus?
