共50条信息
计算:\( \sqrt{8}− \sqrt{2}( \sqrt{2}+2) \)
计算:\(( \sqrt{5}− \sqrt{2})( \sqrt{5}+ \sqrt{2})+{( \sqrt{3}−1)}^{2} \).
\(5\sqrt{\dfrac{1}{5}}+\sqrt{20}-\sqrt{10}\div \sqrt{2}\)
进入组卷