Tính

\(E=\left(\frac{112}{13.20}+\frac{112}{20.27}+...+\frac{112}{62.69}\right):\left(-\frac{5}{9.3}-\frac{7}{9.25}-\frac{13}{19.25}-\frac{31}{19.69}\right)\)

\(\left(\frac{112}{13.20}+\frac{112}{20.27}+\frac{112}{27.34}+....+\frac{112}{62.69}\right):\left(-\frac{5}{9.13}-\frac{7}{9.25}-\frac{13}{19.25}-\frac{31}{19.69}\right)\)

B=\(\left(\frac{112}{13.20}+\frac{112}{20.27}+\frac{112}{27.34}+.........+\frac{112}{62.69}\right):\left(\frac{-5}{9.13}-\frac{7}{9.25}-\frac{13}{19.25}-\frac{31}{19.69}\right)\)

\(\left(\frac{112}{13.20}+\frac{112}{20.27}+\frac{112}{27.34}+...+\frac{112}{62.69}\right)\)   \(:\left(-\frac{5}{9.13}-\frac{7}{9.25}-\frac{13}{19.25}-\frac{31}{19.69}\right)\)

Tính \(A=\left(\frac{112}{13.20}+\frac{112}{20.27}+...+\frac{112}{62.69}\right)\div\)\(\left(\frac{-5}{9.13}-\frac{7}{9.25}-\frac{13}{19.25}-\frac{31}{19.69}\right)\)

A =( \(\frac{112}{13.20}+\frac{112}{20.27}+\frac{112}{27.34}+...\frac{112}{62.69}\)): ( \(\frac{-5}{9.13}-\frac{-7}{9.25}-\frac{13}{19.25}-\frac{31}{19.69}\)) = ?

 A = (\(\frac{112}{13.20}+\frac{112}{20.27}+\frac{112}{27.34}+...+\frac{112}{62.69}\)) : \(\frac{-5}{9.13}-\frac{-7}{9.25}+\frac{-13}{19.25}+\frac{-31}{19.69}\))

Cố gắng giúp mik với nhé

Tính 

(\(\frac{112}{13.20}+\frac{112}{20.27}+\frac{112}{27.34}+...+\frac{112}{62.64}\))

: (\(\frac{-5}{9.13}-\frac{7}{9.25}-\frac{13}{19.25}-\frac{31}{19.69}\)

C= (\(\frac{112}{13.20}\)+\(\frac{112}{20.27}\)+\(\frac{112}{27.34}\)+...+\(\frac{112}{62.69}\)): (\(\frac{-5}{9.13}\)-\(\frac{7}{9.25}\)-\(\frac{13}{19.25}\)-\(\frac{31}{19.69}\))