2*580div50+18+16-12+23= eching

$$2 \times 580 \div 50 + 18 + 16 - 12 + 23 =$$

Baholash

$$\frac{341}{5}=68,2$$

Yechim qadamlari

1160 hosil qilish uchun 2 va 580 ni ko'paytirish.

$$\frac{1160}{50}+18+16-12+23$$

\frac{1160}{50} ulushini 10 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{116}{5}+18+16-12+23$$

18 ni \frac{90}{5} kasrga o‘giring.

$$\frac{116}{5}+\frac{90}{5}+16-12+23$$

\frac{116}{5} va \frac{90}{5} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{116+90}{5}+16-12+23$$

206 olish uchun 116 va 90'ni qo'shing.

$$\frac{206}{5}+16-12+23$$

16 ni \frac{80}{5} kasrga o‘giring.

$$\frac{206}{5}+\frac{80}{5}-12+23$$

\frac{206}{5} va \frac{80}{5} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{206+80}{5}-12+23$$

286 olish uchun 206 va 80'ni qo'shing.

$$\frac{286}{5}-12+23$$

12 ni \frac{60}{5} kasrga o‘giring.

$$\frac{286}{5}-\frac{60}{5}+23$$

\frac{286}{5} va \frac{60}{5} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{286-60}{5}+23$$

226 olish uchun 286 dan 60 ni ayirish.

$$\frac{226}{5}+23$$

23 ni \frac{115}{5} kasrga o‘giring.

$$\frac{226}{5}+\frac{115}{5}$$

\frac{226}{5} va \frac{115}{5} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{226+115}{5}$$

341 olish uchun 226 va 115'ni qo'shing.

$$\frac{341}{5}$$

Omil

$$\frac{11 \cdot 31}{5} = 68\frac{1}{5} = 68,2$$