gợi ý \(A=\frac{2^{a+1}.73+2^{a+1}.57}{2^a.104}=\frac{2^{a+1}.\left(73+57\right)}{2^a.104}=\frac{2^{a+1}.130}{2^a.104}=\frac{2^{a+1}.65}{2^a.52}=?\)
toán 6 hả. tới day bi z tu lam di
bn dug co su dug tu tuc tiu z. nhug neuu bn mun thi tui cho bn gap 1000 lan z lun do. im di
A= \(\frac{2^{a+1}.\left(73+57\right)}{2^a.104}\)=\(\frac{2^a.2.130}{2^a.104}=\frac{260}{104}=\frac{5}{2}\)
còn gì nữa hơm?