2(3-1)+3[1-2(2)]+2(4-1)(2+1) eching

$$2 ( 3 - 1 ) + 3 [ 1 - 2 ( 2 ) ] + 2 ( 4 - 1 ) ( 2 + 1 )$$

Baholash

$$13$$

Yechim qadamlari

2 olish uchun 3 dan 1 ni ayirish.

$$2\times 2+3\left(1-2\times 2\right)+2\left(4-1\right)\left(2+1\right)$$

4 hosil qilish uchun 2 va 2 ni ko'paytirish.

$$4+3\left(1-2\times 2\right)+2\left(4-1\right)\left(2+1\right)$$

4 hosil qilish uchun 2 va 2 ni ko'paytirish.

$$4+3\left(1-4\right)+2\left(4-1\right)\left(2+1\right)$$

-3 olish uchun 1 dan 4 ni ayirish.

$$4+3\left(-3\right)+2\left(4-1\right)\left(2+1\right)$$

-9 hosil qilish uchun 3 va -3 ni ko'paytirish.

$$4-9+2\left(4-1\right)\left(2+1\right)$$

-5 olish uchun 4 dan 9 ni ayirish.

$$-5+2\left(4-1\right)\left(2+1\right)$$

3 olish uchun 4 dan 1 ni ayirish.

$$-5+2\times 3\left(2+1\right)$$

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

$$-5+6\left(2+1\right)$$

3 olish uchun 2 va 1'ni qo'shing.

$$-5+6\times 3$$

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

$$-5+18$$

13 olish uchun -5 va 18'ni qo'shing.

$$13$$

Omil

$$13$$