(8/9+4/27)*27 eching

$$( \frac { 8 } { 9 } + \frac { 4 } { 27 } ) \times 27$$

Baholash

$$28$$

Yechim qadamlari

9 va 27 ning eng kichik umumiy karralisi 27 ga teng. \frac{8}{9} va \frac{4}{27} ni 27 maxraj bilan kasrlarga aylantirib oling.

$$\left(\frac{24}{27}+\frac{4}{27}\right)\times 27$$

\frac{24}{27} va \frac{4}{27} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{24+4}{27}\times 27$$

28 olish uchun 24 va 4'ni qo'shing.

$$\frac{28}{27}\times 27$$

27 va 27 ni qisqartiring.

$$28$$

Omil

$$2^{2}\times 7$$