Baholash
\frac{\sqrt{7}}{7}+\frac{1}{3}\approx 0,711297806
Omil
\frac{\sqrt{7} {(\sqrt{7} + 3)}}{21} = 0,7112978063425606
Baham ko'rish
Klipbordga nusxa olish
\frac{1}{\sqrt{7}}+\frac{1}{3}
7 olish uchun 5 va 2'ni qo'shing.
\frac{\sqrt{7}}{\left(\sqrt{7}\right)^{2}}+\frac{1}{3}
\frac{1}{\sqrt{7}} maxrajini \sqrt{7} orqali surat va maxrajini koʻpaytirish orqali ratsionallashtiring.
\frac{\sqrt{7}}{7}+\frac{1}{3}
\sqrt{7} kvadrati – 7.
\frac{3\sqrt{7}}{21}+\frac{7}{21}
Ifodalarni qo‘shish yoki ayirish uchun ularni yoyib, maxrajlarini bir xil qiling. 7 va 3 ning eng kichik umumiy karralisi 21. \frac{\sqrt{7}}{7} ni \frac{3}{3} marotabaga ko'paytirish. \frac{1}{3} ni \frac{7}{7} marotabaga ko'paytirish.
\frac{3\sqrt{7}+7}{21}
\frac{3\sqrt{7}}{21} va \frac{7}{21} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.
Misollar
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