bai 1;tinh(x+\(\frac{1}{4}\)-\(\frac{1}{3}\)) . (2+\(\frac{1}{6}\)-\(\frac{1}{4}\)) =\(\frac{7}{46}\)bai 2 so sanha. \(^{16^{19}}\)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...
Đọc tiếp
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.\(5^{22}\)
(x+1/4-1/3).(13/6-1/4)=7/46
(x+1/4-1/3).23/12=7/46
(x+1/4-1/3)=7/46:23/12
(x+1/4-1/3)=7/46.12/23
(x+1/4-1/3)=42/529
x+1/4=42/529+1/3
x+1/4=655/1587
x=655/1587-1/4
x=1033=/6348
vậy x=1033/6348