Ответ Автор - pfn (1/3)√18+(1/5)√50+(1/6)√72=(1/3)√(2*9)+(1/5)√(2*25)+(1/6)√(2*36)==(1/3)*3√2+(1/5)*5√2+(1/6)*6√2=√2+√2+√2=3√2≈4,24264068711...