21.3+21.2+2.1+21.2+21.3+3.4/6= eching

$$\frac { 21.3 + 21.2 + 2.1 + 21.2 + 21.3 + 3.4 } { 6 } =$$

Baholash

$$\frac{181}{12}\approx 15,083333333$$

Yechim qadamlari

42,5 olish uchun 21,3 va 21,2'ni qo'shing.

$$\frac{42,5+2,1+21,2+21,3+3,4}{6}$$

44,6 olish uchun 42,5 va 2,1'ni qo'shing.

$$\frac{44,6+21,2+21,3+3,4}{6}$$

65,8 olish uchun 44,6 va 21,2'ni qo'shing.

$$\frac{65,8+21,3+3,4}{6}$$

87,1 olish uchun 65,8 va 21,3'ni qo'shing.

$$\frac{87,1+3,4}{6}$$

90,5 olish uchun 87,1 va 3,4'ni qo'shing.

$$\frac{90,5}{6}$$

\frac{90,5}{6} kasrini uning surat va maxrajini 10 ga ko‘paytirish bilan kengaytiring.

$$\frac{905}{60}$$

\frac{905}{60} ulushini 5 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{181}{12}$$

Omil

$$\frac{181}{3 \cdot 2 ^ {2}} = 15\frac{1}{12} = 15,083333333333334$$