→ (0,5)²= 0,25
→ (0,9)²= 0,81
→ (1,6)²= 2,56
→ (2,6)²= 6,76
→ (0,15)²= 0,0225
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Reținem: Radicalul este operația inversă ridicării la pătrat.
√x²= x
