cine se pricepe la radicali de clasa 7 , Ajutor
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Răspuns:
[tex] \sqrt{15} = \sqrt{5} \times \sqrt{3} [/tex]
[tex] \sqrt{30} = \sqrt{1} \times \sqrt{10} \times \sqrt{3} [/tex]
[tex] \sqrt{77} = \sqrt{11} \times \sqrt{7} [/tex]