-2pi/3+2pi= eching

$$- \frac{ 2 \pi }{ 3 } +2 \pi =$$

Baholash

$$\frac{4\pi }{3}\approx 4,188790205$$

Qisqa yechim qadamlari

Ifodalarni qo‘shish yoki ayirish uchun ularni yoyib, maxrajlarini bir xil qiling. 2\pi ni \frac{3}{3} marotabaga ko'paytirish.

$$-\frac{2\pi }{3}+\frac{3\times 2\pi }{3}$$

-\frac{2\pi }{3} va \frac{3\times 2\pi }{3} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{-2\pi +3\times 2\pi }{3}$$

-2\pi +3\times 2\pi ichidagi ko‘paytirishlarni bajaring.

$$\frac{-2\pi +6\pi }{3}$$

-2\pi +6\pi kabi iboralarga o‘xshab birlashtiring.

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