5-1.2/-2*0.2 eching

$$5 - \frac { 1.2 } { - 2 } \times 0.2$$

Baholash

$$5,12$$

Yechim qadamlari

\frac{1,2}{-2} kasrini uning surat va maxrajini 10 ga ko‘paytirish bilan kengaytiring.

$$5-\frac{12}{-20}\times 0,2$$

\frac{12}{-20} ulushini 4 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$5-\left(-\frac{3}{5}\times 0,2\right)$$

0,2 o‘nlik raqamni uning \frac{2}{10} kasrga o‘giring. \frac{2}{10} ulushini 2 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$5-\left(-\frac{3}{5}\times \frac{1}{5}\right)$$

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

$$5-\frac{-3}{5\times 5}$$

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

$$5-\frac{-3}{25}$$

\frac{-3}{25} kasri manfiy belgini olib tashlash bilan -\frac{3}{25} sifatida qayta yozilishi mumkin.

$$5-\left(-\frac{3}{25}\right)$$

-\frac{3}{25} ning teskarisi \frac{3}{25} ga teng.

$$5+\frac{3}{25}$$

5 ni \frac{125}{25} kasrga o‘giring.

$$\frac{125}{25}+\frac{3}{25}$$

\frac{125}{25} va \frac{3}{25} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{125+3}{25}$$

128 olish uchun 125 va 3'ni qo'shing.

$$\frac{128}{25}$$

Omil

$$\frac{2 ^ {7}}{5 ^ {2}} = 5\frac{3}{25} = 5,12$$