Số thóc ở kho thứ nhất

\(\dfrac{1350}{4+5}\times4=600\left(tấn\right)\)

Số thóc ở kho thứ hai

\(1350-600=750\left(tấn\right)\)

baif 3

a)\(3^x=9\Leftrightarrow3^x=3^2\Rightarrow x=2\)

b)\(5^x=125\Leftrightarrow5^x=5^3\Rightarrow x=3\)

c)\(3^{x+1}=9\Leftrightarrow3^{x+1}=3^{1+1}\Rightarrow x=1\)

d)\(6^{x-1}=36\Leftrightarrow6^{x-1}=6^{3-1}\Rightarrow x=3\)

e)\(3^{x+1}=27\Leftrightarrow3^{x+1}=3^{2+1}\Rightarrow x=2\)

g)\(x^{50}=x\Rightarrow x^{50}:x=1\Rightarrow x^{49}=1\Rightarrow x=1\)

hoặc \(x^{50}-x=0\Rightarrow\left[{}\begin{matrix}x=1\\x=0\end{matrix}\right.\)