\(\left(\frac{4}{9}\right)^5:x=\left(\frac{9}{4}\right)^3\)
\(\left(\frac{9}{4}\right)^5\times x=\left(\frac{9}{4}\right)^3\)
\(x=\left(\frac{9}{4}\right)^3:\left(\frac{9}{4}\right)^5\)
\(x=\left(\frac{9}{4}\right)^{3-5}\)
\(x=\left(\frac{9}{4}\right)^{-2}\)
(4/9)5:x=(9/4)3
=>(9/4)5.x=(9/4)3
x=(9/4)3:(9/4)5
x=(9/4)3-5
x=(9/4)-2
\(\left(\frac{4}{9}\right)^5:x=\left(\frac{9}{4}\right)^3\)
\(\left(\frac{4}{9}\right)^5.\frac{1}{x}=\left(\frac{9}{4}\right)^3\)
\(\frac{1}{x}=\left(\frac{9}{4}\right)^3:\left(\frac{4}{9}\right)^5\)
\(\frac{1}{x}=\left(\frac{9}{4}\right)^3.\left(\frac{9}{4}\right)^5\)
Mk chỉ giúp đến đâu đc thui , tự làm tiếp nha