[tex]a) {2}^{3} \times 3 + {4}^{2} \times 8 - {5}^{2} = \\ 8 \times 3 + 16 \times 8 - 25 = \\ 24 + 128 - 25 = \\ 152 - 25 = \\ 127[/tex]
[tex]b)2 \times {11}^{2} - {6}^{3} - 5 \times \sqrt[3]{125} + {8}^{0} = \\ 2 \times 121 - 216 - 5 \times 5 + 1 = \\ 242 - 216 - 25 + 1 = \\ 26 - 25 + 1 = \\ 1 + 1 = \\ 2[/tex]
[tex]c) {3}^{2} \times \sqrt{4} + {17}^{1} \div {7}^{0} - \sqrt{25} \times \sqrt{49} = \\ 9 \times 2 + 17 \div 1 - 5 \times 7 = \\ 18 + 17 - 35 = \\ 35 - 35 = \\ 0[/tex]
