12divfrac{sqrt{10}}{5}-16*50 eching

$$12 \div \frac{ \sqrt{ 10 } }{ 5 } -16 \times 50$$

Baholash

$$6\sqrt{10}-800\approx -781,026334039$$

Yechim qadamlari

12 ni \frac{\sqrt{10}}{5} ga bo'lish 12 ga k'paytirish \frac{\sqrt{10}}{5} ga qaytarish.

$$\frac{12\times 5}{\sqrt{10}}-16\times 50$$

60 hosil qilish uchun 12 va 5 ni ko'paytirish.

$$\frac{60}{\sqrt{10}}-16\times 50$$

\frac{60}{\sqrt{10}} maxrajini \sqrt{10} orqali surat va maxrajini koʻpaytirish orqali ratsionallashtiring.

$$\frac{60\sqrt{10}}{\left(\sqrt{10}\right)^{2}}-16\times 50$$

\sqrt{10} kvadrati – 10.

$$\frac{60\sqrt{10}}{10}-16\times 50$$

6\sqrt{10} ni olish uchun 60\sqrt{10} ni 10 ga bo‘ling.

$$6\sqrt{10}-16\times 50$$

800 hosil qilish uchun 16 va 50 ni ko'paytirish.

$$6\sqrt{10}-800$$

Omil

$$2 {(3 \sqrt{10} - 400)} = -781,026334039$$