10+(120-21*3+10-4)*2-3-[6*9-(80-18*4)*4]+18)+2= eching

$$10 + ( 120 - 21 \cdot 3 + 10 - 4 ) \cdot 2 - 3 - [ 6 \cdot 9 - ( 80 - 18 \cdot 4 ) \cdot 4 ] + 18 ) + 2 =$$

Baholash

$$129$$

Yechim qadamlari

63 hosil qilish uchun 21 va 3 ni ko'paytirish.

$$10+\left(120-63+10-4\right)\times 2-3-\left(6\times 9-\left(80-18\times 4\right)\times 4\right)+18$$

57 olish uchun 120 dan 63 ni ayirish.

$$10+\left(57+10-4\right)\times 2-3-\left(6\times 9-\left(80-18\times 4\right)\times 4\right)+18$$

67 olish uchun 57 va 10'ni qo'shing.

$$10+\left(67-4\right)\times 2-3-\left(6\times 9-\left(80-18\times 4\right)\times 4\right)+18$$

63 olish uchun 67 dan 4 ni ayirish.

$$10+63\times 2-3-\left(6\times 9-\left(80-18\times 4\right)\times 4\right)+18$$

126 hosil qilish uchun 63 va 2 ni ko'paytirish.

$$10+126-3-\left(6\times 9-\left(80-18\times 4\right)\times 4\right)+18$$

136 olish uchun 10 va 126'ni qo'shing.

$$136-3-\left(6\times 9-\left(80-18\times 4\right)\times 4\right)+18$$

133 olish uchun 136 dan 3 ni ayirish.

$$133-\left(6\times 9-\left(80-18\times 4\right)\times 4\right)+18$$

54 hosil qilish uchun 6 va 9 ni ko'paytirish.

$$133-\left(54-\left(80-18\times 4\right)\times 4\right)+18$$

72 hosil qilish uchun 18 va 4 ni ko'paytirish.

$$133-\left(54-\left(80-72\right)\times 4\right)+18$$

8 olish uchun 80 dan 72 ni ayirish.

$$133-\left(54-8\times 4\right)+18$$

32 hosil qilish uchun 8 va 4 ni ko'paytirish.

$$133-\left(54-32\right)+18$$

22 olish uchun 54 dan 32 ni ayirish.

$$133-22+18$$

111 olish uchun 133 dan 22 ni ayirish.

$$111+18$$

129 olish uchun 111 va 18'ni qo'shing.

$$129$$

Omil

$$3\times 43$$