3/5*3/10+1/2= eching

$$\frac { 3 } { 5 } \cdot \frac { 3 } { 10 } + \frac { 1 } { 2 } =$$

Baholash

$$\frac{17}{25}=0,68$$

Yechim qadamlari

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{3}{5} ni \frac{3}{10} ga ko‘paytiring.

$$\frac{3\times 3}{5\times 10}+\frac{1}{2}$$

\frac{3\times 3}{5\times 10} kasridagi ko‘paytirishlarni bajaring.

$$\frac{9}{50}+\frac{1}{2}$$

50 va 2 ning eng kichik umumiy karralisi 50 ga teng. \frac{9}{50} va \frac{1}{2} ni 50 maxraj bilan kasrlarga aylantirib oling.

$$\frac{9}{50}+\frac{25}{50}$$

\frac{9}{50} va \frac{25}{50} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{9+25}{50}$$

34 olish uchun 9 va 25'ni qo'shing.

$$\frac{34}{50}$$

\frac{34}{50} ulushini 2 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{17}{25}$$

Omil

$$\frac{17}{5 ^ {2}} = 0,68$$