-2/3*3/5+5/2-3/5*frac{1}{6} eching

$$- \frac { 2 } { 3 } \times \frac { 3 } { 5 } + \frac { 5 } { 2 } - \frac { 3 } { 5 } \times \frac { 1 } { 6 }$$

Baholash

$$2$$

Yechim qadamlari

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali -\frac{2}{3} ni \frac{3}{5} ga ko‘paytiring.

$$\frac{-2\times 3}{3\times 5}+\frac{5}{2}-\frac{3}{5}\times \frac{1}{6}$$

Surat va maxrajdagi ikkala 3 ni qisqartiring.

$$\frac{-2}{5}+\frac{5}{2}-\frac{3}{5}\times \frac{1}{6}$$

\frac{-2}{5} kasri manfiy belgini olib tashlash bilan -\frac{2}{5} sifatida qayta yozilishi mumkin.

$$-\frac{2}{5}+\frac{5}{2}-\frac{3}{5}\times \frac{1}{6}$$

5 va 2 ning eng kichik umumiy karralisi 10 ga teng. -\frac{2}{5} va \frac{5}{2} ni 10 maxraj bilan kasrlarga aylantirib oling.

$$-\frac{4}{10}+\frac{25}{10}-\frac{3}{5}\times \frac{1}{6}$$

-\frac{4}{10} va \frac{25}{10} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{-4+25}{10}-\frac{3}{5}\times \frac{1}{6}$$

21 olish uchun -4 va 25'ni qo'shing.

$$\frac{21}{10}-\frac{3}{5}\times \frac{1}{6}$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{3}{5} ni \frac{1}{6} ga ko‘paytiring.

$$\frac{21}{10}-\frac{3\times 1}{5\times 6}$$

\frac{3\times 1}{5\times 6} kasridagi ko‘paytirishlarni bajaring.

$$\frac{21}{10}-\frac{3}{30}$$

\frac{3}{30} ulushini 3 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{21}{10}-\frac{1}{10}$$

\frac{21}{10} va \frac{1}{10} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{21-1}{10}$$

20 olish uchun 21 dan 1 ni ayirish.

$$\frac{20}{10}$$

2 ni olish uchun 20 ni 10 ga bo‘ling.

$$2$$

Omil

$$2$$