55div80*100 eching

$$55 \div 80 \times 100$$

Baholash

$$\frac{275}{4}=68,75$$

Yechim qadamlari

\frac{55}{80} ulushini 5 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{11}{16}\times 100$$

\frac{11}{16}\times 100 ni yagona kasrga aylantiring.

$$\frac{11\times 100}{16}$$

1100 hosil qilish uchun 11 va 100 ni ko'paytirish.

$$\frac{1100}{16}$$

\frac{1100}{16} ulushini 4 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{275}{4}$$

Omil

$$\frac{5 ^ {2} \cdot 11}{2 ^ {2}} = 68\frac{3}{4} = 68,75$$