243+243div15+243div15*2/3 eching

$$243+243 \div 15+243 \div 15 \times \frac{ 2 }{ 3 }$$

Baholash

$$270$$

Yechim qadamlari

\frac{243}{15} ulushini 3 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$243+\frac{81}{5}+\frac{243}{15}\times \frac{2}{3}$$

243 ni \frac{1215}{5} kasrga o‘giring.

$$\frac{1215}{5}+\frac{81}{5}+\frac{243}{15}\times \frac{2}{3}$$

\frac{1215}{5} va \frac{81}{5} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{1215+81}{5}+\frac{243}{15}\times \frac{2}{3}$$

1296 olish uchun 1215 va 81'ni qo'shing.

$$\frac{1296}{5}+\frac{243}{15}\times \frac{2}{3}$$

\frac{243}{15} ulushini 3 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{1296}{5}+\frac{81}{5}\times \frac{2}{3}$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{81}{5} ni \frac{2}{3} ga ko‘paytiring.

$$\frac{1296}{5}+\frac{81\times 2}{5\times 3}$$

\frac{81\times 2}{5\times 3} kasridagi ko‘paytirishlarni bajaring.

$$\frac{1296}{5}+\frac{162}{15}$$

\frac{162}{15} ulushini 3 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{1296}{5}+\frac{54}{5}$$

\frac{1296}{5} va \frac{54}{5} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{1296+54}{5}$$

1350 olish uchun 1296 va 54'ni qo'shing.

$$\frac{1350}{5}$$

270 ni olish uchun 1350 ni 5 ga bo‘ling.

$$270$$

Omil

$$2\times 3^{3}\times 5$$