3+(5-1/2)div(5/26div5/13) eching

$$3 + ( 5 - \frac { 1 } { 2 } ) \div ( \frac { 5 } { 26 } \div \frac { 5 } { 13 } )$$

Baholash

$$12$$

Yechim qadamlari

5 ni \frac{10}{2} kasrga o‘giring.

$$3+\frac{\frac{10}{2}-\frac{1}{2}}{\frac{\frac{5}{26}}{\frac{5}{13}}}$$

\frac{10}{2} va \frac{1}{2} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$3+\frac{\frac{10-1}{2}}{\frac{\frac{5}{26}}{\frac{5}{13}}}$$

9 olish uchun 10 dan 1 ni ayirish.

$$3+\frac{\frac{9}{2}}{\frac{\frac{5}{26}}{\frac{5}{13}}}$$

\frac{5}{26} ni \frac{5}{13} ga bo'lish \frac{5}{26} ga k'paytirish \frac{5}{13} ga qaytarish.

$$3+\frac{\frac{9}{2}}{\frac{5}{26}\times \frac{13}{5}}$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{5}{26} ni \frac{13}{5} ga ko‘paytiring.

$$3+\frac{\frac{9}{2}}{\frac{5\times 13}{26\times 5}}$$

Surat va maxrajdagi ikkala 5 ni qisqartiring.

$$3+\frac{\frac{9}{2}}{\frac{13}{26}}$$

\frac{13}{26} ulushini 13 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$3+\frac{\frac{9}{2}}{\frac{1}{2}}$$

\frac{9}{2} ni \frac{1}{2} ga bo'lish \frac{9}{2} ga k'paytirish \frac{1}{2} ga qaytarish.

$$3+\frac{9}{2}\times 2$$

2 va 2 ni qisqartiring.

$$3+9$$

12 olish uchun 3 va 9'ni qo'shing.

$$12$$

Omil

$$2^{2}\times 3$$