4*1556-2*1915-5*205138-2*6991 eching

$$4 \times 1556-2 \times 1915-5 \times 205138-2 \times 6991$$

Baholash

$$-1037278$$

Yechim qadamlari

6224 hosil qilish uchun 4 va 1556 ni ko'paytirish.

$$6224-2\times 1915-5\times 205138-2\times 6991$$

3830 hosil qilish uchun 2 va 1915 ni ko'paytirish.

$$6224-3830-5\times 205138-2\times 6991$$

2394 olish uchun 6224 dan 3830 ni ayirish.

$$2394-5\times 205138-2\times 6991$$

1025690 hosil qilish uchun 5 va 205138 ni ko'paytirish.

$$2394-1025690-2\times 6991$$

-1023296 olish uchun 2394 dan 1025690 ni ayirish.

$$-1023296-2\times 6991$$

13982 hosil qilish uchun 2 va 6991 ni ko'paytirish.

$$-1023296-13982$$

-1037278 olish uchun -1023296 dan 13982 ni ayirish.

$$-1037278$$

Omil

$$-1037278$$