Tính căn5.(căn3+căn2)

tính

\(\sqrt{5}.\left(\sqrt{3}+\sqrt{2}\right)\)

\(\left(\sqrt{3}-\sqrt{5}\right)^2\)

\(\left(\sqrt{7}-\sqrt{2}\right).\left(\sqrt{7}+\sqrt{2}\right)\)

\(\left(\sqrt{3}+\sqrt{5}\right)^2\)

\(\left(\sqrt{8+3\sqrt{7}}\right)+\left(\sqrt{8-3\sqrt{7}}\right)\)

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