bai 1;tinh
(x+\(\frac{1}{4}\)-\(\frac{1}{3}\)) . (2+\(\frac{1}{6}\)-\(\frac{1}{4}\)) =\(\frac{7}{46}\)
bai 2 so sanh
a. \(^{16^{19}}\)va \(8^{25}\)
b. \(27^{11}\)va \(81^8\)
c. \(625^5\)va\(125^7\)
d. \(5^{36}\)va\(11^{24}\)
e. \(3^{2n}\) va\(2^{3n}\)
g. \(5^{23}\)va 6.\(5^{22}\)