10-8/98/10 eching

$$\frac { 10 - \frac { 8 } { 98 } } { 10 }$$

Baholash

$$\frac{243}{245}\approx 0,991836735$$

Yechim qadamlari

\frac{8}{98} ulushini 2 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{10-\frac{4}{49}}{10}$$

10 ni \frac{490}{49} kasrga o‘giring.

$$\frac{\frac{490}{49}-\frac{4}{49}}{10}$$

\frac{490}{49} va \frac{4}{49} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{\frac{490-4}{49}}{10}$$

486 olish uchun 490 dan 4 ni ayirish.

$$\frac{\frac{486}{49}}{10}$$

\frac{\frac{486}{49}}{10} ni yagona kasrga aylantiring.

$$\frac{486}{49\times 10}$$

490 hosil qilish uchun 49 va 10 ni ko'paytirish.

$$\frac{486}{490}$$

\frac{486}{490} ulushini 2 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{243}{245}$$

Omil

$$\frac{3 ^ {5}}{5 \cdot 7 ^ {2}} = 0,9918367346938776$$