978-985/978*100 eching

$$\frac{ 978-985 }{ 978 } \times 100$$

Baholash

$$-\frac{350}{489}\approx -0,715746421$$

Yechim qadamlari

-7 olish uchun 978 dan 985 ni ayirish.

$$\frac{-7}{978}\times 100$$

\frac{-7}{978} kasri manfiy belgini olib tashlash bilan -\frac{7}{978} sifatida qayta yozilishi mumkin.

$$-\frac{7}{978}\times 100$$

-\frac{7}{978}\times 100 ni yagona kasrga aylantiring.

$$\frac{-7\times 100}{978}$$

-700 hosil qilish uchun -7 va 100 ni ko'paytirish.

$$\frac{-700}{978}$$

\frac{-700}{978} ulushini 2 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$-\frac{350}{489}$$

Omil

$$-\frac{350}{489} = -0,7157464212678937$$