共50条信息
计算：\(|\sqrt{3}-3|+\sqrt{\dfrac{9}{4}}-\sqrt[3]{27}\) ．
\((2)\dfrac{2}{x-2}-\dfrac{3}{2-x}=1\)
计算
\((1)(-2)\)\({\,\!}^{2}\)\(+\)\( \sqrt[3]{64}\)\(-\)\( \sqrt[]{4}\)
\((2)\)\( \sqrt{1 \dfrac{9}{16}}\)\(+(π-3)\)\({\,\!}^{0}\)\(+\left|- \sqrt{3}\right| \)
\((2)|- \sqrt{2} |-( \sqrt{3} - \sqrt{2} )-| \sqrt{3} -2|\)．
求下列各式中\(x\)的值
\((2)(x-1)^{4}=2^{12}\)
计算题
\((1) \sqrt{ \dfrac{1}{9}}-{2}^{2}-{3}^{-1}+{\left(π-3.14\right)}^{0}+\tan {60}^{0} \)
\((2)\)先化简，再求值\((\dfrac{x-y}{{{x}^{2}}-2xy+{{y}^{2}}}-\dfrac{x}{{{x}^{2}}-2xy})\div \dfrac{y}{x-2y}\)，其中\(x=1\)，\(y=3\)
计算：\((1)\left( \sqrt{20}- \sqrt{0.5}\right)-\left(2 \sqrt{ \dfrac{1}{8}}+ \sqrt{5}\right) \)．
\((2){\left( \sqrt{5}-3\right)}^{2}+\left( \sqrt{11}+3\right)\left( \sqrt{11}-3\right) \)．
解方程：\(8{{\left( 1-x \right)}^{3}}=-27\)
求值或计算：
\((1)\)求满足条件的\(x\)值：\(2{{x}^{2}}-50=0\)；
\((2)\)计算：\(\sqrt{\dfrac{9}{4}}+\sqrt{-3\dfrac{3}{8}}+\sqrt{{{\left( -2 \right)}^{2}}}+\left| \sqrt{3}-2 \right|\)．
求下列各式中的\(x\)
\((1)x\)\({\,\!}^{2}\)\(-25=0\)
\((2)(x-1)\)\({\,\!}^{3}\)\(-27=0\)
进入组卷