329 = (25)9 = 245 = (23)15 = 815 = 813 . 82 = 813 . 26
1813 = 913 . 213
Vì 913 > 813
213 > 26
\(\Rightarrow\)329 < 1813
\(\Rightarrow\)\(\left(-32\right)^9>\left(-18\right)^{13}\)
Ta có: 329 = (25)9 = 245
1813 > 1613 = (24)13 = 252 (4)
Ta thấy : 245 < 252 < 1813
=> 329 < 1813
Ta có: 329 = (25)9 = 245
1813 > 1613 = (24)13 = 252 (4)
Ta thấy : 245 < 252 < 1813
=> 329 < 1813