[tex] \sqrt{200} = \sqrt{100 \times 2} = \sqrt{ {10}^{2} \times 2 } = 10 \sqrt{2} [/tex]
Fałsz
[tex] \sqrt[3]{0.081} = \sqrt[3]{0.027 \times 3} = \sqrt[3]{ {0.3}^{3} \times 3} = 0.3\sqrt[3]{3} [/tex]
Prawda
[tex] \sqrt{125} \div \sqrt{0.25} - \sqrt{81} = \sqrt{125 \div 0.25} - \sqrt{81} = \\ = \sqrt{500} - 9 = 10 \sqrt{5} - 9[/tex]
Fałsz
[tex] \sqrt[3]{64} + \sqrt{49} \times \sqrt[3]{1000} = 4 + 7 \times 10 = 74[/tex]
Prawda
