共50条信息
计算
\((1) \sqrt{9} +|-2|+ \sqrt[3]{27} +(-1)^{2011}\) \((2)| \sqrt{3}- \sqrt{2} |+| \sqrt{3}-2 |+ \sqrt{(-2{)}^{2}} \)．
计算：\(2\cos 60{}^\circ -{{(-3)}^{-3}}+{{(\pi -\sqrt{3})}^{0}}-\left| -2 \right|\)．
计算：\(-\sqrt{36}-\sqrt{{{\left( -2 \right)}^{2}}}-\left| \sqrt{2}-3 \right|+\sqrt[3]{-8}\)；
\((2)\) \(\sqrt[3]{8}+\sqrt{{{(-2)}^{2}}}-\sqrt{\dfrac{1}{4}}+{{(-1)}^{2018}}\)
计算：\(|1- \sqrt{3}|-3\tan 60^{\circ}+ \sqrt{12}+(π+1)^{0}+(-1)^{2\;018}\)．
\((2){{\left( x+1 \right)}^{2}}+x\left( x-2 \right)-\left( x+1 \right)\left( x-1 \right)\)．
\((1)\)计算\(\left|-3\right|+{\left(-1\right)}^{2011}×{\left(π-3.14\right)}^{0}+{\left(- \dfrac{1}{3}\right)}^{-2}-{2}^{-3} \)
\((2)\)利用乘法公式计算：\( \dfrac{{156}^{2}-{154}^{2}}{{2016}^{2}-2015×2017} \)
计算与解分式方程．
\((1)\left| 1-2\sin 45{}^\circ \right|-\sqrt{8}+{{\left( \dfrac{1}{2} \right)}^{-1}}\) \((2)\dfrac{x+1}{x+3}-\dfrac{2}{x-3}=1\)
计算：\(\sqrt[3]{64}-\left| \sqrt{3}-3 \right|+\sqrt{36}\)
计算：\(|-3|+ \sqrt{3} ·tna30^{\circ}- \sqrt[3]{8} -(2016-\)\(π\)\()^{0}+( \dfrac{1}{2} )^{-1}\)．
进入组卷