а) [tex] 8 \sqrt{5} + \sqrt{125} = 8 \sqrt{5} + 5 \sqrt{5} = 13 \sqrt{5} [/tex]б) [tex] 2 \sqrt{24} - \sqrt{54} = 2 \cdot 2 \sqrt{6} - 3 \sqrt{6} = 4 \sqrt{6} - 3 \sqrt{6} = \sqrt{6} [/tex]в) [tex] 3 \sqrt{3} - \sqrt{12} + \sqrt{75} = 3 \sqrt{3} - 2 \sqrt{3} + 5 \sqrt{3} = 6 \sqrt{3} [/tex]г) [tex] 5 \sqrt{12} - 2 \sqrt{27} - 3 \sqrt{3} = 10 \sqrt{3} - 6 \sqrt{3} - 3 \sqrt{3} = \sqrt{3} [/tex]д) [tex] \sqrt{300} - 4 \sqrt{48} - \sqrt{75} = 10 \sqrt{3} - 16 \sqrt{3} - 5 \sqrt{3} = -11 \sqrt{3} [/tex]е) [tex] \sqrt{150} - \sqrt{6} - \sqrt{96} = 5 \sqrt{6} - \sqrt{6} - 4 \sqrt{6} = 0 [/tex]
а) [tex] 8 \sqrt{5} + \sqrt{125} = 8 \sqrt{5} + 5 \sqrt{5} = 13 \sqrt{5} [/tex]
б) [tex] 2 \sqrt{24} - \sqrt{54} = 2 \cdot 2 \sqrt{6} - 3 \sqrt{6} = 4 \sqrt{6} - 3 \sqrt{6} = \sqrt{6} [/tex]
в) [tex] 3 \sqrt{3} - \sqrt{12} + \sqrt{75} = 3 \sqrt{3} - 2 \sqrt{3} + 5 \sqrt{3} = 6 \sqrt{3} [/tex]
г) [tex] 5 \sqrt{12} - 2 \sqrt{27} - 3 \sqrt{3} = 10 \sqrt{3} - 6 \sqrt{3} - 3 \sqrt{3} = \sqrt{3} [/tex]
д) [tex] \sqrt{300} - 4 \sqrt{48} - \sqrt{75} = 10 \sqrt{3} - 16 \sqrt{3} - 5 \sqrt{3} = -11 \sqrt{3} [/tex]
е) [tex] \sqrt{150} - \sqrt{6} - \sqrt{96} = 5 \sqrt{6} - \sqrt{6} - 4 \sqrt{6} = 0 [/tex]