70*3/202/7 eching

$$70 \times \frac{ 3 }{ 20 } \frac{ 2 }{ 7 }$$

Baholash

$$3$$

Yechim qadamlari

70\times \frac{3}{20} ni yagona kasrga aylantiring.

$$\frac{70\times 3}{20}\times \frac{2}{7}$$

210 hosil qilish uchun 70 va 3 ni ko'paytirish.

$$\frac{210}{20}\times \frac{2}{7}$$

\frac{210}{20} ulushini 10 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{21}{2}\times \frac{2}{7}$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{21}{2} ni \frac{2}{7} ga ko‘paytiring.

$$\frac{21\times 2}{2\times 7}$$

Surat va maxrajdagi ikkala 2 ni qisqartiring.

$$\frac{21}{7}$$

3 ni olish uchun 21 ni 7 ga bo‘ling.

$$3$$

Omil

$$3$$