1200*31/4/100 eching

$$1200 \times \frac { 3 \frac { 1 } { 4 } } { 100 }$$

Baholash

$$39$$

Yechim qadamlari

\frac{\frac{3\times 4+1}{4}}{100} ni yagona kasrga aylantiring.

$$1200\times \frac{3\times 4+1}{4\times 100}$$

12 hosil qilish uchun 3 va 4 ni ko'paytirish.

$$1200\times \frac{12+1}{4\times 100}$$

13 olish uchun 12 va 1'ni qo'shing.

$$1200\times \frac{13}{4\times 100}$$

400 hosil qilish uchun 4 va 100 ni ko'paytirish.

$$1200\times \frac{13}{400}$$

1200\times \frac{13}{400} ni yagona kasrga aylantiring.

$$\frac{1200\times 13}{400}$$

15600 hosil qilish uchun 1200 va 13 ni ko'paytirish.

$$\frac{15600}{400}$$

39 ni olish uchun 15600 ni 400 ga bo‘ling.

$$39$$

Omil

$$3\times 13$$