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3. Calculaţi:
a) √27-√12+√75; 3 √90
c) √8-√50-√300+√48-√294
4. Calculaţi:
b) 10√8-4√18-2√50;
d) 3√20-4√27 +√45+3√12.
√√√√6-√32;
Urgenttt