Tính
\((\dfrac{-1}{3})^4 = \dfrac{1}{81}\) \( (-2\dfrac{1}{4})^3 = (\dfrac{-9}{4})^3=\dfrac{-729}{64} = -11\dfrac{25}{ 64}\)
\((-0,2)^2 = 0,04\) \((-5,3)^0 =1\)
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