(4/5-8/15div22/3)*12/3 eching

$$( \frac{ 4 }{ 5 } - \frac{ 8 }{ 15 } \div 2 \frac { 2 } { 3 } ) \times 1 \frac { 2 } { 3 }$$

Baholash

$$1$$

Yechim qadamlari

\frac{8}{15} ni \frac{2\times 3+2}{3} ga bo'lish \frac{8}{15} ga k'paytirish \frac{2\times 3+2}{3} ga qaytarish.

$$\left(\frac{4}{5}-\frac{8\times 3}{15\left(2\times 3+2\right)}\right)\times \frac{1\times 3+2}{3}$$

Surat va maxrajdagi ikkala 3 ni qisqartiring.

$$\left(\frac{4}{5}-\frac{8}{5\left(2+2\times 3\right)}\right)\times \frac{1\times 3+2}{3}$$

6 hosil qilish uchun 2 va 3 ni ko'paytirish.

$$\left(\frac{4}{5}-\frac{8}{5\left(2+6\right)}\right)\times \frac{1\times 3+2}{3}$$

8 olish uchun 2 va 6'ni qo'shing.

$$\left(\frac{4}{5}-\frac{8}{5\times 8}\right)\times \frac{1\times 3+2}{3}$$

40 hosil qilish uchun 5 va 8 ni ko'paytirish.

$$\left(\frac{4}{5}-\frac{8}{40}\right)\times \frac{1\times 3+2}{3}$$

\frac{8}{40} ulushini 8 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\left(\frac{4}{5}-\frac{1}{5}\right)\times \frac{1\times 3+2}{3}$$

\frac{4}{5} va \frac{1}{5} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{4-1}{5}\times \frac{1\times 3+2}{3}$$

3 olish uchun 4 dan 1 ni ayirish.

$$\frac{3}{5}\times \frac{1\times 3+2}{3}$$

3 hosil qilish uchun 1 va 3 ni ko'paytirish.

$$\frac{3}{5}\times \frac{3+2}{3}$$

5 olish uchun 3 va 2'ni qo'shing.

$$\frac{3}{5}\times \frac{5}{3}$$

\frac{3}{5} va uning teskari kasrini \frac{5}{3} ni qisqartiring.

$$1$$

Omil

$$1$$