Răspunsuri

2014-04-16T01:28:49+03:00
(√2+√3)^(-1) × (20 + 8√6)^2=1/√2 +√3 × (400 + 384)=1/√2 +√3 × 784=784/√2 +√3=784√2 +784√3=784(√2 + √3)