4*5/sqrt{2/5} eching

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

Baholash

$$50\sqrt{2}\approx 70,710678119$$

Yechim qadamlari

20 hosil qilish uchun 4 va 5 ni ko'paytirish.

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

20 ni \frac{\sqrt{2}}{5} ga bo'lish 20 ga k'paytirish \frac{\sqrt{2}}{5} ga qaytarish.

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

\frac{20\times 5}{\sqrt{2}} maxrajini \sqrt{2} orqali surat va maxrajini koʻpaytirish orqali ratsionallashtiring.

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

\sqrt{2} kvadrati – 2.

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

100 hosil qilish uchun 20 va 5 ni ko'paytirish.

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

50\sqrt{2} ni olish uchun 100\sqrt{2} ni 2 ga bo‘ling.

$$50\sqrt{2}$$