[(29+69+25*12+2)-25*(4*27-4*25)]:{[(5*12-2)-18]-30} eching

$$[ ( 29 + 69 + 25 \cdot 12 + 2 ) - 25 \cdot ( 4 \cdot 27 - 4 \cdot 25 ) ] : \{ [ ( 5 \cdot 12 - 2 ) - 18 ] - 30 \}$$

Baholash

$$20$$

Yechim qadamlari

98 olish uchun 29 va 69'ni qo'shing.

$$\frac{98+25\times 12+2-25\left(4\times 27-4\times 25\right)}{5\times 12-2-18-30}$$

300 hosil qilish uchun 25 va 12 ni ko'paytirish.

$$\frac{98+300+2-25\left(4\times 27-4\times 25\right)}{5\times 12-2-18-30}$$

398 olish uchun 98 va 300'ni qo'shing.

$$\frac{398+2-25\left(4\times 27-4\times 25\right)}{5\times 12-2-18-30}$$

400 olish uchun 398 va 2'ni qo'shing.

$$\frac{400-25\left(4\times 27-4\times 25\right)}{5\times 12-2-18-30}$$

108 hosil qilish uchun 4 va 27 ni ko'paytirish.

$$\frac{400-25\left(108-4\times 25\right)}{5\times 12-2-18-30}$$

100 hosil qilish uchun 4 va 25 ni ko'paytirish.

$$\frac{400-25\left(108-100\right)}{5\times 12-2-18-30}$$

8 olish uchun 108 dan 100 ni ayirish.

$$\frac{400-25\times 8}{5\times 12-2-18-30}$$

200 hosil qilish uchun 25 va 8 ni ko'paytirish.

$$\frac{400-200}{5\times 12-2-18-30}$$

200 olish uchun 400 dan 200 ni ayirish.

$$\frac{200}{5\times 12-2-18-30}$$

60 hosil qilish uchun 5 va 12 ni ko'paytirish.

$$\frac{200}{60-2-18-30}$$

58 olish uchun 60 dan 2 ni ayirish.

$$\frac{200}{58-18-30}$$

40 olish uchun 58 dan 18 ni ayirish.

$$\frac{200}{40-30}$$

10 olish uchun 40 dan 30 ni ayirish.

$$\frac{200}{10}$$

20 ni olish uchun 200 ni 10 ga bo‘ling.

$$20$$

Omil

$$2^{2}\times 5$$