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Ex 6:a,b
Va rooggg
Dau coroana


Ex 6ab Va Rooggg Dau Coroana class=

Răspuns :

a) √3(2√2+7)+5(√6-1)=
= 2√6+7√3+5√6-5=
= 7√6+7√3-5


b)8√5-3(5√5+4)-2√5+1=
=8√5-15√5-12-2√5+1=
=-9√5-11