Question

Calculati
$(2 \sqrt{12} - 4 \sqrt{18} ) \times (5 \sqrt{27} - 8 \sqrt{8)}$
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Answer 1

Răspuns:

564-244$\sqrt{6}$

Explicație pas cu pas:

$=(4\sqrt{3} -12\sqrt{2} )x(15\sqrt{3}-16\sqrt{2})=\\=180-244\pi \sqrt{6} +384=\\=564-244\sqrt{6}$