4+9+05+21+51+005+025-2-5-12 eching

$$4+9+05+21+51+005+025-2-5-12$$

Baholash

$$66$$

Yechim qadamlari

0 hosil qilish uchun 0 va 5 ni ko'paytirish. 0 hosil qilish uchun 0 va 0 ni ko'paytirish. 0 hosil qilish uchun 0 va 25 ni ko'paytirish.

$$4+9+0+21+51+0\times 5+0-2-5-12$$

13 olish uchun 4 va 9'ni qo'shing.

$$13+0+21+51+0\times 5+0-2-5-12$$

13 olish uchun 13 va 0'ni qo'shing.

$$13+21+51+0\times 5+0-2-5-12$$

34 olish uchun 13 va 21'ni qo'shing.

$$34+51+0\times 5+0-2-5-12$$

85 olish uchun 34 va 51'ni qo'shing.

$$85+0\times 5+0-2-5-12$$

0 hosil qilish uchun 0 va 5 ni ko'paytirish.

$$85+0+0-2-5-12$$

85 olish uchun 85 va 0'ni qo'shing.

$$85+0-2-5-12$$

85 olish uchun 85 va 0'ni qo'shing.

$$85-2-5-12$$

83 olish uchun 85 dan 2 ni ayirish.

$$83-5-12$$

78 olish uchun 83 dan 5 ni ayirish.

$$78-12$$

66 olish uchun 78 dan 12 ni ayirish.

$$66$$

Omil

$$2\times 3\times 11$$