-20+72*6666/60 eching

$$-20+ \frac{ 72 \times 6666 }{ 60 }$$

Baholash

$$\frac{39896}{5}=7979,2$$

Yechim qadamlari

479952 hosil qilish uchun 72 va 6666 ni ko'paytirish.

$$-20+\frac{479952}{60}$$

\frac{479952}{60} ulushini 12 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$-20+\frac{39996}{5}$$

-20 ni -\frac{100}{5} kasrga o‘giring.

$$-\frac{100}{5}+\frac{39996}{5}$$

-\frac{100}{5} va \frac{39996}{5} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{-100+39996}{5}$$

39896 olish uchun -100 va 39996'ni qo'shing.

$$\frac{39896}{5}$$

Omil

$$\frac{2 ^ {3} \cdot 4987}{5} = 7979\frac{1}{5} = 7979,2$$