-3/5+11/5*2/3-3/4div(-1frac{1}{2}) eching

$$- \frac { 3 } { 5 } + 1 \frac { 1 } { 5 } \times \frac { 2 } { 3 } - \frac { 3 } { 4 } \div ( - 1 \frac { 1 } { 2 } )$$

Baholash

$$\frac{7}{10}=0,7$$

Yechim qadamlari

5 hosil qilish uchun 1 va 5 ni ko'paytirish.

$$-\frac{3}{5}+\frac{5+1}{5}\times \frac{2}{3}-\frac{\frac{3}{4}}{-\frac{1\times 2+1}{2}}$$

6 olish uchun 5 va 1'ni qo'shing.

$$-\frac{3}{5}+\frac{6}{5}\times \frac{2}{3}-\frac{\frac{3}{4}}{-\frac{1\times 2+1}{2}}$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{6}{5} ni \frac{2}{3} ga ko‘paytiring.

$$-\frac{3}{5}+\frac{6\times 2}{5\times 3}-\frac{\frac{3}{4}}{-\frac{1\times 2+1}{2}}$$

\frac{6\times 2}{5\times 3} kasridagi ko‘paytirishlarni bajaring.

$$-\frac{3}{5}+\frac{12}{15}-\frac{\frac{3}{4}}{-\frac{1\times 2+1}{2}}$$

\frac{12}{15} ulushini 3 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$-\frac{3}{5}+\frac{4}{5}-\frac{\frac{3}{4}}{-\frac{1\times 2+1}{2}}$$

-\frac{3}{5} va \frac{4}{5} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{-3+4}{5}-\frac{\frac{3}{4}}{-\frac{1\times 2+1}{2}}$$

1 olish uchun -3 va 4'ni qo'shing.

$$\frac{1}{5}-\frac{\frac{3}{4}}{-\frac{1\times 2+1}{2}}$$

2 hosil qilish uchun 1 va 2 ni ko'paytirish.

$$\frac{1}{5}-\frac{\frac{3}{4}}{-\frac{2+1}{2}}$$

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

$$\frac{1}{5}-\frac{\frac{3}{4}}{-\frac{3}{2}}$$

\frac{3}{4} ni -\frac{3}{2} ga bo'lish \frac{3}{4} ga k'paytirish -\frac{3}{2} ga qaytarish.

$$\frac{1}{5}-\frac{3}{4}\left(-\frac{2}{3}\right)$$

Suratni maxrajga va maxrajini suratga ko‘paytirish orqali \frac{3}{4} ni -\frac{2}{3} ga ko‘paytiring.

$$\frac{1}{5}-\frac{3\left(-2\right)}{4\times 3}$$

Surat va maxrajdagi ikkala 3 ni qisqartiring.

$$\frac{1}{5}-\frac{-2}{4}$$

\frac{-2}{4} ulushini 2 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{1}{5}-\left(-\frac{1}{2}\right)$$

-\frac{1}{2} ning teskarisi \frac{1}{2} ga teng.

$$\frac{1}{5}+\frac{1}{2}$$

5 va 2 ning eng kichik umumiy karralisi 10 ga teng. \frac{1}{5} va \frac{1}{2} ni 10 maxraj bilan kasrlarga aylantirib oling.

$$\frac{2}{10}+\frac{5}{10}$$

\frac{2}{10} va \frac{5}{10} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{2+5}{10}$$

7 olish uchun 2 va 5'ni qo'shing.

$$\frac{7}{10}$$

Omil

$$\frac{7}{2 \cdot 5} = 0,7$$