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1. \(3^2\cdot \dfrac{1}{18}=\) [ ].
2. \(\sqrt{0,000144}=\) [ ].
3. \(\left(\dfrac {1}{4}\right)^{3}\cdot 4^2+\dfrac{3}{16} =\) [ ].
4. \(\dfrac{1500\cdot 9^3}{3^5\cdot 10^2}=\) [ ].