72div(1-60%)= eching

$$72 \div ( 1 - 60 \% ) =$$

Baholash

$$180$$

Yechim qadamlari

\frac{60}{100} ulushini 20 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{72}{1-\frac{3}{5}}$$

1 ni \frac{5}{5} kasrga o‘giring.

$$\frac{72}{\frac{5}{5}-\frac{3}{5}}$$

\frac{5}{5} va \frac{3}{5} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{72}{\frac{5-3}{5}}$$

2 olish uchun 5 dan 3 ni ayirish.

$$\frac{72}{\frac{2}{5}}$$

72 ni \frac{2}{5} ga bo'lish 72 ga k'paytirish \frac{2}{5} ga qaytarish.

$$72\times \frac{5}{2}$$

72\times \frac{5}{2} ni yagona kasrga aylantiring.

$$\frac{72\times 5}{2}$$

360 hosil qilish uchun 72 va 5 ni ko'paytirish.

$$\frac{360}{2}$$

180 ni olish uchun 360 ni 2 ga bo‘ling.

$$180$$

Omil

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