共50条信息
计算:\(2\sin 45{}^\circ -\left| -5 \right|+{{(\dfrac{1}{3}+\sqrt{3})}^{0}}-\sqrt{18}\).
计算:\(2\sin 30^{\circ}+{{(\dfrac{1}{3})}^{-1}}+{{(4-\pi )}^{0}}+\sqrt{8}.\)
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