12 сырков можно купить на 120 рублей,и еще будет сдача
=1--12+1--3*(1.05-1.8)=1/12+1/3*(-0.75)=1--12+1--3*(-3--4)=1/12-1/4=-1--6
-0.027^(-1/3) + (1/6)⁻¹ -3⁻¹ +5.5⁰=
= - (0.3³)^(-1/3) + 6 - (1/3) +1 =
= - 0.3⁻¹ + 7 - 1/3 =
= -10/3 - 1/3 +7 =
= -11/3 + 21/3 =
= 10/3 = 3 ¹/₃
,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,