=780*5/12+780*1/2 eching

$$= 780 \times \frac { 5 } { 12 } + 780 \times \frac { 1 } { 2 }$$

Baholash

$$715$$

Yechim qadamlari

780\times \frac{5}{12} ni yagona kasrga aylantiring.

$$\frac{780\times 5}{12}+780\times \frac{1}{2}$$

3900 hosil qilish uchun 780 va 5 ni ko'paytirish.

$$\frac{3900}{12}+780\times \frac{1}{2}$$

325 ni olish uchun 3900 ni 12 ga bo‘ling.

$$325+780\times \frac{1}{2}$$

\frac{780}{2} hosil qilish uchun 780 va \frac{1}{2} ni ko'paytirish.

$$325+\frac{780}{2}$$

390 ni olish uchun 780 ni 2 ga bo‘ling.

$$325+390$$

715 olish uchun 325 va 390'ni qo'shing.

$$715$$

Omil

$$5\times 11\times 13$$