(2(√2+2)+ 4 (√2-1))/√5=
Proszę o rozwiązanie.
(2(√2+2)+4(√2-1))/√5 = (2√2+4+4√2-4)/√5 = (6√2 )/ √5 =( 6*√2*√5)/5 = 6/5 √10
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(2(√2+2)+4(√2-1))/√5 = (2√2+4+4√2-4)/√5 = (6√2 )/ √5 =( 6*√2*√5)/5 = 6/5 √10