35 баллов срочно посчитайте 2пи-пи/3 -пи-(-пи/3) пи-(-пи/3)
2π-π/3=(6π-π)/3=5π/3 -π-(-π/3)= -π+π/3=(-3π+π)/3=-2π/3 π-(-π/3)=π+π/3=(3π+π)/3=4π/3