(25*74370+25*76422+25*26227+25*84417+5*70915+5*72572+5*266898)div671821= eching

$$(25 \times 74370+25 \times 76422+25 \times 26227+25 \times 84417+5 \times 70915+5 \times 72572+5 \times 266898) \div 671821=$$

Baholash

$$\frac{8587825}{671821}\approx 12,782906459$$

Yechim qadamlari

1859250 hosil qilish uchun 25 va 74370 ni ko'paytirish. 1910550 hosil qilish uchun 25 va 76422 ni ko'paytirish. 655675 hosil qilish uchun 25 va 26227 ni ko'paytirish. 2110425 hosil qilish uchun 25 va 84417 ni ko'paytirish. 354575 hosil qilish uchun 5 va 70915 ni ko'paytirish. 362860 hosil qilish uchun 5 va 72572 ni ko'paytirish. 1334490 hosil qilish uchun 5 va 266898 ni ko'paytirish.

$$\frac{1859250+1910550+655675+2110425+354575+362860+1334490}{671821}$$

3769800 olish uchun 1859250 va 1910550'ni qo'shing.

$$\frac{3769800+655675+2110425+354575+362860+1334490}{671821}$$

4425475 olish uchun 3769800 va 655675'ni qo'shing.

$$\frac{4425475+2110425+354575+362860+1334490}{671821}$$

6535900 olish uchun 4425475 va 2110425'ni qo'shing.

$$\frac{6535900+354575+362860+1334490}{671821}$$

6890475 olish uchun 6535900 va 354575'ni qo'shing.

$$\frac{6890475+362860+1334490}{671821}$$

7253335 olish uchun 6890475 va 362860'ni qo'shing.

$$\frac{7253335+1334490}{671821}$$

8587825 olish uchun 7253335 va 1334490'ni qo'shing.

$$\frac{8587825}{671821}$$

Omil

$$\frac{5 ^ {2} \cdot 269 \cdot 1277}{19 ^ {2} \cdot 1861} = 12\frac{525973}{671821} = 12,78290645871445$$