2/3*15*17/8 eching

$$\frac { 2 } { 3 } \times 15 \times 1 \frac { 7 } { 8 }$$

Baholash

$$\frac{75}{4}=18,75$$

Yechim qadamlari

\frac{2}{3}\times 15 ni yagona kasrga aylantiring.

$$\frac{2\times 15}{3}\times \frac{1\times 8+7}{8}$$

30 hosil qilish uchun 2 va 15 ni ko'paytirish.

$$\frac{30}{3}\times \frac{1\times 8+7}{8}$$

10 ni olish uchun 30 ni 3 ga bo‘ling.

$$10\times \frac{1\times 8+7}{8}$$

8 hosil qilish uchun 1 va 8 ni ko'paytirish.

$$10\times \frac{8+7}{8}$$

15 olish uchun 8 va 7'ni qo'shing.

$$10\times \frac{15}{8}$$

10\times \frac{15}{8} ni yagona kasrga aylantiring.

$$\frac{10\times 15}{8}$$

150 hosil qilish uchun 10 va 15 ni ko'paytirish.

$$\frac{150}{8}$$

\frac{150}{8} ulushini 2 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{75}{4}$$

Omil

$$\frac{3 \cdot 5 ^ {2}}{2 ^ {2}} = 18\frac{3}{4} = 18,75$$