Zadanie 4
a)
\sqrt2 * \sqrt{18}=\sqrt{2*18}=\sqrt{36}=6
b)
\sqrt{200} : \sqrt2=\frac{\sqrt{200}}{\sqrt{2}}=\sqrt{\frac{200}{2}}=\sqrt{100}=10
c)
7\sqrt2 * 6\sqrt{50}=7*6\sqrt{2*50}=42\sqrt{100}=42*10=420
d)
3\sqrt{75} * 6\sqrt{50}=3\sqrt{25*3}*6\sqrt{25*2}=3*5\sqrt3*6*5\sqrt2=
15\sqrt3*30\sqrt2=15*30\sqrt{3*2}=450\sqrt6
e)
2\sqrt[3]{24} : \sqrt[3]3=\frac{2\sqrt[3]{8*3}}{\sqrt[3]3}=\frac{2*2\sqrt[3]3}{\sqr[3]3}=4
f)
3\sqrt[3]4 * 5\sqrt[3]2=3*5\sqrt[3]{4*2}=15\sqrt[3]8=15*2=30