Ответ Автор - takushnir у(-2)=3⁻²=1/3²=1/9у(-2)=3²=9у(0)=3⁰=1у(0.5)=у(1/2)=3¹/²=√32) (1/7)⁰=1; (1/7)⁻¹=7; (1/7)²=1/49; (1/7)⁻¹/³=7¹/³=∛7;