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2√48x(5√27-6√48+7√12-4√45)=

Răspuns :

2√48x(5√27-6√48+7√12-4√45)=
=
8√3x(15√3-24√3+14√3-12√5)=
 
=8√3x(5√3-12√5)=
 =120-96√15