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Simina6
a fost răspuns

efectuati calculele: a) 4×(radical5 -2 radical2)+3(7 radical5 -4 radical 2) -7(radical2 -3 radical5) =

Răspuns :

Danghinea74
4·(√5-2√2)+3(7√5-4√2)-7(√2-3√5)=
4√5-8√2+21√5-12√2-7√2+21√5=
46√5-27√2
Nicuionell
4radical5-8radical2+21radical5-12radical2-7radical2+21radical5=                  46radical5-27radical2

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