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Cum rezolv?
(3+√2)-12:√2


Răspuns :

[tex]3+ \sqrt{2}- \frac{12}{ \sqrt{2} }= \\ 3+ \sqrt{2}- \frac{12 \sqrt{2} }{2}= \\ 3+ \sqrt{2}-6 \sqrt{2}=3-5 \sqrt{2} [/tex]
[tex]3+ \sqrt{2}-6 \sqrt{2}= 3+ \sqrt{2} - 6 \sqrt{2}= 3-5 \sqrt{2} [/tex]