Răspuns:
[tex]a) \: \sqrt{2} \times \sqrt{8} = \sqrt{2 \times 8} = \sqrt{16} = 4 \\ b) \: \sqrt{10} \times \sqrt{2} \times \sqrt{5} = \sqrt{10 \times 2 \times 5} = \sqrt{100} = 10 \\ c) \: \sqrt{50 } \div \sqrt{2} = \sqrt{50 \div 2} = \sqrt{25} = 5 \\ d) \: \sqrt{1000} \div \sqrt{10} = \sqrt{1000 \div 10} = \sqrt{100} = 10 \\ e) \: \sqrt{ {6}^{5} } \div \sqrt{ {6}^{3} } = \sqrt{ {6}^{5 - 3} } = \sqrt{ {6}^{2} } = \sqrt{36} = 6 \\ f) \: \sqrt{64} \div \sqrt{ {2}^{3} } \div \sqrt{2} = \sqrt{64 \div 8 \div 2} = \sqrt{4 } = 2 \\ g) \: \sqrt{ {5}^{3} } \div \sqrt{5} = \sqrt{ {5}^{3 - 1} } = \sqrt{ {5}^{2} } = \sqrt{25} = 5 \\ h) \: \sqrt{18} \div \sqrt{2} = \sqrt{18 \div 2} = \sqrt{9} = 3 \\ i) \: \sqrt{2} \times \sqrt{32} = \sqrt{2 \times 32} = \sqrt{64} = 8[/tex]
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Succes!
