Помогите решить ,plz
4) = ⁵√(27/16 * 9/2) - ⁵√(9/288) = ⁵√243/32 - ⁵√1/32 = 3/2 - 1/2 = 2/2 = 1 5) 20*30 - 140 = 600 - 140 = 460