157/10-24/10+61/10 eching

$$15 \frac { 7 } { 10 } - 2 \frac { 4 } { 10 } + 6 \frac { 1 } { 10 }$$

Baholash

$$\frac{97}{5}=19,4$$

Yechim qadamlari

150 hosil qilish uchun 15 va 10 ni ko'paytirish.

$$\frac{150+7}{10}-\frac{2\times 10+4}{10}+\frac{6\times 10+1}{10}$$

157 olish uchun 150 va 7'ni qo'shing.

$$\frac{157}{10}-\frac{2\times 10+4}{10}+\frac{6\times 10+1}{10}$$

20 hosil qilish uchun 2 va 10 ni ko'paytirish.

$$\frac{157}{10}-\frac{20+4}{10}+\frac{6\times 10+1}{10}$$

24 olish uchun 20 va 4'ni qo'shing.

$$\frac{157}{10}-\frac{24}{10}+\frac{6\times 10+1}{10}$$

\frac{157}{10} va \frac{24}{10} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{157-24}{10}+\frac{6\times 10+1}{10}$$

133 olish uchun 157 dan 24 ni ayirish.

$$\frac{133}{10}+\frac{6\times 10+1}{10}$$

60 hosil qilish uchun 6 va 10 ni ko'paytirish.

$$\frac{133}{10}+\frac{60+1}{10}$$

61 olish uchun 60 va 1'ni qo'shing.

$$\frac{133}{10}+\frac{61}{10}$$

\frac{133}{10} va \frac{61}{10} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{133+61}{10}$$

194 olish uchun 133 va 61'ni qo'shing.

$$\frac{194}{10}$$

\frac{194}{10} ulushini 2 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{97}{5}$$

Omil

$$\frac{97}{5} = 19\frac{2}{5} = 19,4$$