Dau coroanaaaaaaaaaaaa
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Răspuns:
(2√675-5√192):(2√5²)
√675=15√3
√192=8√3
√5²=√25=5
(2•15√3-5•8√3):(2•5)
(30√3-40√3):10
-10√3:10= -√3
.
Succes!