Răspuns:
1. a)
[tex] \sqrt{32} = 4 \sqrt{2} [/tex]
b)
[tex]2 \sqrt{45} = 2 \times 3 \sqrt{5} = 6 \sqrt{5} [/tex]
c)
[tex] - \sqrt{112} = - 4 \sqrt{7} [/tex]
2.
a)
[tex]5 \sqrt{2} = \sqrt{50} [/tex]
b)
[tex] - 4 \sqrt{5} = - \sqrt{80} [/tex]
c)
[tex]10 \sqrt{6} = \sqrt{600} [/tex]
