a) 5^{5}*(0,2)^{5}+8^{-2}*(0,5)^{-2}-(1,5)^{2}*6^{2}+(0,1)^{-3}*10^{-3}*(0,2)^{-3}=
b) \frac{2}{3}*0,5^{2}+\frac{5}{4}*0,6^{2}=\frac{2}{3}*0,25+\frac{5}{4}*0,36=
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a) 5^{5} * (0,2)^{5} + 8^{-2} * (0,5)^{-2} - (1,5)^{2} * 6^{2} + (0,1)^{-3} * 10^{-3} * (0,2)^{-3} = (5*0,2)^{5} + (8*0,5)^{-2} - (1,5*6)^{2} + (0,1*10*0,2)^{-3} = 1^{5} + 4^{-4} - 9^{2} + 5^{3} = 1+\frac{1}{16} - 81 + 125 = 45\frac{1}{16} (0,2)^{-3} =\frac{2}{10}^{-3} = \frac{10}{2}^{3} = 5^{3} = 125 4^{-2} = \frac{1}{4}^{-2} = \frac{1}{4}^{2} = \frac{1}{16}
b) \frac{2}{3} * 0,5^{2} + \frac{5}{4} * 0,6^{2} = \frac{2}{3} * 0,25 + \frac{5}{4} * 0,36 = \frac{2}{3} * \frac{1}{4} + \frac{5}{4} * \frac{36}{100} = \frac{1}{6} + \frac{9}{20} = \frac{10}{60} + \frac{27}{60} = \frac{37}{60}