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Problemi Simili mit-Tiftix tal-Web

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13.5+4.5\sqrt{2}+5\sqrt{2}
Uża l-propjetà distributtiva biex timmultiplika 0.9 b'15+5\sqrt{2}.
13.5+9.5\sqrt{2}
Ikkombina 4.5\sqrt{2} u 5\sqrt{2} biex tikseb 9.5\sqrt{2}.