-6/10*19+2/5 eching

$$- \frac{ 6 }{ 10 } \times 19+ \frac{ 2 }{ 5 }$$

Baholash

$$-11$$

Yechim qadamlari

\frac{6}{10} ulushini 2 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$-\frac{3}{5}\times 19+\frac{2}{5}$$

-\frac{3}{5}\times 19 ni yagona kasrga aylantiring.

$$\frac{-3\times 19}{5}+\frac{2}{5}$$

-57 hosil qilish uchun -3 va 19 ni ko'paytirish.

$$\frac{-57}{5}+\frac{2}{5}$$

\frac{-57}{5} kasri manfiy belgini olib tashlash bilan -\frac{57}{5} sifatida qayta yozilishi mumkin.

$$-\frac{57}{5}+\frac{2}{5}$$

-\frac{57}{5} va \frac{2}{5} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{-57+2}{5}$$

-55 olish uchun -57 va 2'ni qo'shing.

$$\frac{-55}{5}$$

-11 ni olish uchun -55 ni 5 ga bo‘ling.

$$-11$$

Omil

$$-11$$