42/5-40%-2/3-2= eching

$$4 \frac{ 2 }{ 5 } -40 \% - \frac{ 2 }{ 3 } -2=$$

Baholash

$$\frac{4}{3}\approx 1,333333333$$

Yechim qadamlari

20 hosil qilish uchun 4 va 5 ni ko'paytirish.

$$\frac{20+2}{5}-\frac{40}{100}-\frac{2}{3}-2$$

22 olish uchun 20 va 2'ni qo'shing.

$$\frac{22}{5}-\frac{40}{100}-\frac{2}{3}-2$$

\frac{40}{100} ulushini 20 ni chiqarib, bekor qilish hisobiga eng past shartlarga kamaytiring.

$$\frac{22}{5}-\frac{2}{5}-\frac{2}{3}-2$$

\frac{22}{5} va \frac{2}{5} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{22-2}{5}-\frac{2}{3}-2$$

20 olish uchun 22 dan 2 ni ayirish.

$$\frac{20}{5}-\frac{2}{3}-2$$

4 ni olish uchun 20 ni 5 ga bo‘ling.

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

4 ni \frac{12}{3} kasrga o‘giring.

$$\frac{12}{3}-\frac{2}{3}-2$$

\frac{12}{3} va \frac{2}{3} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{12-2}{3}-2$$

10 olish uchun 12 dan 2 ni ayirish.

$$\frac{10}{3}-2$$

2 ni \frac{6}{3} kasrga o‘giring.

$$\frac{10}{3}-\frac{6}{3}$$

\frac{10}{3} va \frac{6}{3} da bir xil maxraji bor, ularning suratini ayirish orqali ayiring.

$$\frac{10-6}{3}$$

4 olish uchun 10 dan 6 ni ayirish.

$$\frac{4}{3}$$

Omil

$$\frac{2 ^ {2}}{3} = 1\frac{1}{3} = 1,3333333333333333$$