radical din 5*(radical din 20-4radical din 5 )
Va rog !





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1 September 2025 matematica 5 minute
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Clasă: Education Materie: matematica
radical din 5*(radical din 20-4radical din 5 )
Va rog !





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√5*(√20 - 4√5) = √5 * √20 - √5 * 4√5 = 
= √100 - 4 √25 
100 = [tex] 10^{2} [/tex] 
25 = [tex] 5^{2} [/tex]

√100 - 4√25 = 10 - 4*5 = 10 - 20 = -10. 
Răspunsul a fost dat în data 1 September 2025

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