a) n = 54
b) n = 5
c) n = 3
d) ko hiểu bạn ghi gì
e) n = 3
a) \(54=n\Rightarrow n=54\)
b)\(n^3=125\)
\(n^3=5^3\Rightarrow n=5\)
c) \(10^n=1000\)
\(10^n=10^3\Rightarrow n=3\)
d) \(33=243????\)
e)\(n^4=81\)
\(n^4=3^4\Rightarrow n=4\)
\(~HT~\)
ơ lộn câu cuối n = 3 nha
a, n=54
b,n^3=125=5*5*5
n^3 =5^3
n =5
c, 10^n=1000=10^3
10^n =10^3
suy ra n =3
d,ko cs j lien quan den n nen ko lam
e, n^4=81=3^4
n^4 =3^4
suy ra n =3