3+4+9+10+12+15+17+27+47+48/10 eching

$$\frac { 3 + 4 + 9 + 10 + 12 + 15 + 17 + 27 + 47 + 48 } { 10 }$$

Baholash

$$\frac{96}{5}=19,2$$

Yechim qadamlari

7 olish uchun 3 va 4'ni qo'shing.

$$\frac{7+9+10+12+15+17+27+47+48}{10}$$

16 olish uchun 7 va 9'ni qo'shing.

$$\frac{16+10+12+15+17+27+47+48}{10}$$

26 olish uchun 16 va 10'ni qo'shing.

$$\frac{26+12+15+17+27+47+48}{10}$$

38 olish uchun 26 va 12'ni qo'shing.

$$\frac{38+15+17+27+47+48}{10}$$

53 olish uchun 38 va 15'ni qo'shing.

$$\frac{53+17+27+47+48}{10}$$

70 olish uchun 53 va 17'ni qo'shing.

$$\frac{70+27+47+48}{10}$$

97 olish uchun 70 va 27'ni qo'shing.

$$\frac{97+47+48}{10}$$

144 olish uchun 97 va 47'ni qo'shing.

$$\frac{144+48}{10}$$

192 olish uchun 144 va 48'ni qo'shing.

$$\frac{192}{10}$$

\frac{192}{10} ulushini 2 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{96}{5}$$

Omil

$$\frac{2 ^ {5} \cdot 3}{5} = 19\frac{1}{5} = 19,2$$