[tex]3 \sqrt{8} = 3 \times 2 \sqrt{2} = 6 \sqrt{2} [/tex]
[tex]4 \sqrt{18} = 4 \times 3 \sqrt{2} = 12 \sqrt{2} [/tex]
[tex] m_{g} = \sqrt{6 \sqrt{2} \times 12 \sqrt{2} } = \sqrt{6 \times 12 \times 2} = \sqrt{12 \times 12} = 12[/tex]
Răspuns : d) Elena
