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Restrangeti , dupa ce ati scos factorii de sub radical:
√8+√18-√32


Răspuns :

[tex] \sqrt{8} + \sqrt{18} - \sqrt{32} =2 \sqrt{2} + 3\sqrt{2}-4 \sqrt{2}=(2+3-4) \sqrt{2}= \sqrt{2} [/tex]
√(4•2)+√(9•2)-√(16•2)=
2√2+3√2-4√2=
5√2-4√2=1√2=√2