Bạn tham khảo:
a/ ($\sqrt{\frac{8}{3}}-$ $\sqrt{24}+$ $\sqrt{\frac{50}{3}}$). $\sqrt{6}$
=$4-12+10$
=$2$
b/$\sqrt{\frac{1}{8}}.$ $\sqrt{2}.$ $\sqrt{125}.$$\sqrt{\frac{1}{5}}$
=$\frac{1}{2}.5$
=$\frac{5}{2}$
c/($\sqrt{6}-3$$\sqrt{3}+5$$\sqrt{2}-0,5$$\sqrt{8}).2$$\sqrt{6}$
=12-$18\sqrt{2}+$ $20\sqrt{3}-$ $4\sqrt{3}$
=$2\sqrt{3}-$$18\sqrt{2}+$ $20\sqrt{3}-$ $4\sqrt{3}$
=$18\sqrt{3}-$$18\sqrt{2}$
d/$(2\sqrt{8}-$$3\sqrt{3}+$$\sqrt{12}).$$\sqrt{6}$
=$8\sqrt{3}-$$9\sqrt{2}+$$\sqrt{72}$
=$8\sqrt{3}-$$3\sqrt{2}$
=$\sqrt{192}-$$9\sqrt{2}$
=$-\sqrt{6}+$$8\sqrt{3}$
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