(355+36+37+38+39+40+41+42+43)div9 eching

$$(355+36+37+38+39+40+41+42+43) \div 9$$

Baholash

$$\frac{671}{9}\approx 74,555555556$$

Yechim qadamlari

391 olish uchun 355 va 36'ni qo'shing.

$$\frac{391+37+38+39+40+41+42+43}{9}$$

428 olish uchun 391 va 37'ni qo'shing.

$$\frac{428+38+39+40+41+42+43}{9}$$

466 olish uchun 428 va 38'ni qo'shing.

$$\frac{466+39+40+41+42+43}{9}$$

505 olish uchun 466 va 39'ni qo'shing.

$$\frac{505+40+41+42+43}{9}$$

545 olish uchun 505 va 40'ni qo'shing.

$$\frac{545+41+42+43}{9}$$

586 olish uchun 545 va 41'ni qo'shing.

$$\frac{586+42+43}{9}$$

628 olish uchun 586 va 42'ni qo'shing.

$$\frac{628+43}{9}$$

671 olish uchun 628 va 43'ni qo'shing.

$$\frac{671}{9}$$

Omil

$$\frac{11 \cdot 61}{3 ^ {2}} = 74\frac{5}{9} = 74,55555555555556$$