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radical 72 - radical 98 + radical 128

Răspuns :

[tex] \sqrt{72} = 62[/tex]

[tex] \sqrt{98} = 2 \sqrt{2} [/tex]

[tex] \sqrt{128} = 8 \sqrt{2} [/tex]

[tex]62 - 7 \sqrt{2} + 8 \sqrt{2} = 62 + \sqrt{2} [/tex]