(8) $4\sqrt{200} - \sqrt{98} = $

(9) $2\sqrt{48} - 3\sqrt{27} + 8\sqrt{12} = $

(10) $\sqrt{20} + \sqrt{45} + \sqrt{500} = $

(11) $5\sqrt{28} + 11\sqrt{63} - \sqrt{700} = $

(12) $\sqrt[3]{16} + \sqrt[3]{54} = $

(13) $5\sqrt[3]{2} + 4\sqrt[3]{54} - 2\sqrt[3]{128} = $

(14) $6\sqrt[3]{24} + \sqrt[3]{3000} - 5\sqrt[3]{81} = $

(15) $5\sqrt{45} + \sqrt[3]{500} + 6\sqrt[3]{40} = $