Logowanie
Oblicz potęgi (1,25)^{-1}-\sqrt[3]{\frac{81}{27}}^3
Matematyka
działania-na-potęgach
gosia2
2017-11-01 07:58:19 UTC
#1
(1,25)^{-1}-\sqrt[3]{\frac{81}{27}}^3=
gosiabor
2017-11-01 08:05:23 UTC
#2
(1,25)^{-1}-\sqrt[3]{\frac{81}{27}}^3=
=(\frac{5}{4})^{-1}-\sqrt[3]3^3=
=\frac{4}{5}-3=-2\frac{1}{5}