Răspuns:
[tex] \sqrt{12} = \sqrt{ {2}^{2} \times 3 } = 2 \sqrt{3} [/tex]
[tex] \sqrt{8} = \sqrt{ {2}^{3} } = 2 \sqrt{2} [/tex]
[tex] \sqrt{24} = \sqrt{ {2}^{3} \times 3} = 2 \sqrt{6} [/tex]
[tex]a = 2( \sqrt{2} + \sqrt{3} - \sqrt{6} )[/tex]
[tex] \sqrt{18} = \sqrt{2 \times {3}^{2} } = 3 \sqrt{2} [/tex]
[tex] \sqrt{54} = \sqrt{2 \times {3}^{3} } = 3 \sqrt{6} [/tex]
[tex] \sqrt{27} = \sqrt{ {3}^{3} } = 3 \sqrt{3} [/tex]
[tex]b = 3( \sqrt{2} + \sqrt{3} - \sqrt{6} )[/tex]