1/20+1/10+2/10+1/4+frac{3}{10}+frac{20}{1} eching

$$\frac{ 1 }{ 20 } + \frac{ 1 }{ 10 } + \frac{ 2 }{ 10 } + \frac{ 1 }{ 4 } + \frac{ 3 }{ 10 } + \frac{ 20 }{ 1 }$$

Baholash

$$\frac{209}{10}=20,9$$

Yechim qadamlari

20 va 10 ning eng kichik umumiy karralisi 20 ga teng. \frac{1}{20} va \frac{1}{10} ni 20 maxraj bilan kasrlarga aylantirib oling.

$$\frac{1}{20}+\frac{2}{20}+\frac{2}{10}+\frac{1}{4}+\frac{3}{10}+\frac{20}{1}$$

\frac{1}{20} va \frac{2}{20} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{1+2}{20}+\frac{2}{10}+\frac{1}{4}+\frac{3}{10}+\frac{20}{1}$$

3 olish uchun 1 va 2'ni qo'shing.

$$\frac{3}{20}+\frac{2}{10}+\frac{1}{4}+\frac{3}{10}+\frac{20}{1}$$

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

$$\frac{3}{20}+\frac{1}{5}+\frac{1}{4}+\frac{3}{10}+\frac{20}{1}$$

20 va 5 ning eng kichik umumiy karralisi 20 ga teng. \frac{3}{20} va \frac{1}{5} ni 20 maxraj bilan kasrlarga aylantirib oling.

$$\frac{3}{20}+\frac{4}{20}+\frac{1}{4}+\frac{3}{10}+\frac{20}{1}$$

\frac{3}{20} va \frac{4}{20} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{3+4}{20}+\frac{1}{4}+\frac{3}{10}+\frac{20}{1}$$

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

$$\frac{7}{20}+\frac{1}{4}+\frac{3}{10}+\frac{20}{1}$$

20 va 4 ning eng kichik umumiy karralisi 20 ga teng. \frac{7}{20} va \frac{1}{4} ni 20 maxraj bilan kasrlarga aylantirib oling.

$$\frac{7}{20}+\frac{5}{20}+\frac{3}{10}+\frac{20}{1}$$

\frac{7}{20} va \frac{5}{20} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{7+5}{20}+\frac{3}{10}+\frac{20}{1}$$

12 olish uchun 7 va 5'ni qo'shing.

$$\frac{12}{20}+\frac{3}{10}+\frac{20}{1}$$

\frac{12}{20} ulushini 4 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{3}{5}+\frac{3}{10}+\frac{20}{1}$$

5 va 10 ning eng kichik umumiy karralisi 10 ga teng. \frac{3}{5} va \frac{3}{10} ni 10 maxraj bilan kasrlarga aylantirib oling.

$$\frac{6}{10}+\frac{3}{10}+\frac{20}{1}$$

\frac{6}{10} va \frac{3}{10} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{6+3}{10}+\frac{20}{1}$$

9 olish uchun 6 va 3'ni qo'shing.

$$\frac{9}{10}+\frac{20}{1}$$

Har qanday son birga bo‘linganda, natija o‘zi chiqadi.

$$\frac{9}{10}+20$$

20 ni \frac{200}{10} kasrga o‘giring.

$$\frac{9}{10}+\frac{200}{10}$$

\frac{9}{10} va \frac{200}{10} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{9+200}{10}$$

209 olish uchun 9 va 200'ni qo'shing.

$$\frac{209}{10}$$

Omil

$$\frac{11 \cdot 19}{2 \cdot 5} = 20\frac{9}{10} = 20,9$$