1-sqrt{1/3:2/5-7/18}= eching

$$1 - \sqrt { \frac { 1 } { 3 } : \frac { 2 } { 5 } - \frac { 7 } { 18 } } =$$

Baholash

$$\frac{1}{3}\approx 0,333333333$$

Yechim qadamlari

\frac{1}{3} ni \frac{2}{5} ga bo'lish \frac{1}{3} ga k'paytirish \frac{2}{5} ga qaytarish.

$$1-\sqrt{\frac{1}{3}\times \frac{5}{2}-\frac{7}{18}}$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{1}{3} ni \frac{5}{2} ga ko‘paytiring.

$$1-\sqrt{\frac{1\times 5}{3\times 2}-\frac{7}{18}}$$

\frac{1\times 5}{3\times 2} kasridagi ko‘paytirishlarni bajaring.

$$1-\sqrt{\frac{5}{6}-\frac{7}{18}}$$

6 va 18 ning eng kichik umumiy karralisi 18 ga teng. \frac{5}{6} va \frac{7}{18} ni 18 maxraj bilan kasrlarga aylantirib oling.

$$1-\sqrt{\frac{15}{18}-\frac{7}{18}}$$

\frac{15}{18} va \frac{7}{18} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$1-\sqrt{\frac{15-7}{18}}$$

8 olish uchun 15 dan 7 ni ayirish.

$$1-\sqrt{\frac{8}{18}}$$

\frac{8}{18} ulushini 2 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$1-\sqrt{\frac{4}{9}}$$

\frac{4}{9} boʻlinmasining kvadrat ildizini \frac{\sqrt{4}}{\sqrt{9}} kvadrat ildizlarining boʻlinmasi sifatida qayta yozing. Surat va maxrajni kvadrat ildizdan chiqaring.

$$1-\frac{2}{3}$$

1 ni \frac{3}{3} kasrga o‘giring.

$$\frac{3}{3}-\frac{2}{3}$$

\frac{3}{3} va \frac{2}{3} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{3-2}{3}$$

1 olish uchun 3 dan 2 ni ayirish.

$$\frac{1}{3}$$

Omil

$$\frac{1}{3} = 0,3333333333333333$$