1*3+3*5+5*7++35*37+37*39div39*41 eching

$$1 \times 3 + 3 \times 5 + 5 \times 7 + + 35 \times 37 + 37 \times 39 \div 39 \times 41$$

Baholash

$$2865$$

Yechim qadamlari

3 hosil qilish uchun 1 va 3 ni ko'paytirish. 15 hosil qilish uchun 3 va 5 ni ko'paytirish. 35 hosil qilish uchun 5 va 7 ni ko'paytirish. 1295 hosil qilish uchun 35 va 37 ni ko'paytirish.

$$3+15+35+1295+\frac{37\times 39}{39}\times 41$$

18 olish uchun 3 va 15'ni qo'shing.

$$18+35+1295+\frac{37\times 39}{39}\times 41$$

53 olish uchun 18 va 35'ni qo'shing.

$$53+1295+\frac{37\times 39}{39}\times 41$$

1348 olish uchun 53 va 1295'ni qo'shing.

$$1348+\frac{37\times 39}{39}\times 41$$

39 va 39 ni qisqartiring.

$$1348+37\times 41$$

1517 hosil qilish uchun 37 va 41 ni ko'paytirish.

$$1348+1517$$

2865 olish uchun 1348 va 1517'ni qo'shing.

$$2865$$

Omil

$$3\times 5\times 191$$