2{9-3[20-6(10-7)]+22}= eching

$$2 \{ 9 - 3 [ 20 - 6 ( 10 - 7 ) ] + 22 \} =$$

Baholash

$$50$$

Yechim qadamlari

3 olish uchun 10 dan 7 ni ayirish.

$$2\left(9-3\left(20-6\times 3\right)+22\right)$$

18 hosil qilish uchun 6 va 3 ni ko'paytirish.

$$2\left(9-3\left(20-18\right)+22\right)$$

2 olish uchun 20 dan 18 ni ayirish.

$$2\left(9-3\times 2+22\right)$$

6 hosil qilish uchun 3 va 2 ni ko'paytirish.

$$2\left(9-6+22\right)$$

3 olish uchun 9 dan 6 ni ayirish.

$$2\left(3+22\right)$$

25 olish uchun 3 va 22'ni qo'shing.

$$2\times 25$$

50 hosil qilish uchun 2 va 25 ni ko'paytirish.

$$50$$

Omil

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