Issolvi 4*5/sqrt{2/5}

$$\frac { 4 \times 5 } { \frac { \sqrt { 2 } } { 5 } }$$

Evalwa

$$50\sqrt{2}\approx 70.710678119$$

Passi tas-Soluzzjonijiet

Immultiplika 4 u 5 biex tikseb 20.

$$\frac{20}{\frac{\sqrt{2}}{5}}$$

Iddividi 20 b'\frac{\sqrt{2}}{5} billi timmultiplika 20 bir-reċiproku ta' \frac{\sqrt{2}}{5}.

$$\frac{20\times 5}{\sqrt{2}}$$

Irrazzjonalizza d-denominatur tal-\frac{20\times 5}{\sqrt{2}} billi timmultiplika in-numeratur u d-denominatur mill-\sqrt{2}.

$$\frac{20\times 5\sqrt{2}}{\left(\sqrt{2}\right)^{2}}$$

Il-kwadrat ta' \sqrt{2} huwa 2.

$$\frac{20\times 5\sqrt{2}}{2}$$

Immultiplika 20 u 5 biex tikseb 100.

$$\frac{100\sqrt{2}}{2}$$

Iddividi 100\sqrt{2} b'2 biex tikseb50\sqrt{2}.

$$50\sqrt{2}$$