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Efectuati : (5√6)×(2√15)÷(15√5) = ? 

Răspuns :

radical150 x radical60 : radical1125 = radical8 = 2radical2
[tex]5 \sqrt{6} * 2 \sqrt{15} : 15 \sqrt{5} = 10 \sqrt{90} : 15 \sqrt{5} = 30 \sqrt{10} : 15 \sqrt{5} = 2 \sqrt{2} [/tex]