Question

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.\(5^{22}\)

Answer 1

(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