共50条信息
计算:\((-1)^{2\;017}-|-7|+\sqrt{9}×(\sqrt{2\ 018}-π)^{0}+{{\left( \dfrac{1}{5} \right)}^{{-}1}}\).
计算:\(\left| -2 \right|-{{\left( \dfrac{1}{4} \right)}^{-1}}+(\sqrt{2}-1.414)^{0}+\sqrt{9}\).
若\((x-2)^{0}=1\),则\(x\)的取值范围是( )
计算
\((2)2a·{a}^{2}·{a}^{3}+{\left(-2{a}^{3}\right)}^{2}-{a}^{8}÷{a}^{2} \)
\((3){\left(x+1\right)}^{2}-\left(-x-2\right)\left(-x+2\right) \)
计算:\(2\cos 30{}^\circ +{{(\dfrac{1}{3})}^{-1}}+|1-\sqrt{3}|-{{(3-\pi )}^{0}}\).
计算\({{\left( -\dfrac{2}{3} \right)}^{0}}=\)________
进入组卷