Sagot :
[tex]B = ( \frac{1}{30})^{-3} * ( \frac{4}{3})^{2}* 10^{-4} = 48 000 * 10^{-4}= 4,8[/tex]
[tex]C = 17 * \frac{4}{13} * \frac{51}{34} = \frac{68}{13} * \frac{51}{34} = \frac{102}{13} [/tex]
[tex]D = - \frac{4}{11} * (\frac{2}{11})^{-3} * (-5,5)^{-1} = -60,5 * (-5,5)^{-1} = 11[/tex]
[tex]a = 3 + \frac{1}{7} = \frac{22}{7} [/tex]
[tex]b = 3 : \frac{1}{7 + \frac{1}{15} } = 3 : \frac{1}{ \frac{15}{106} } = 3 * \frac{ \frac{15}{106} }{1} = \frac{45}{106} [/tex]
[tex]C = 17 * \frac{4}{13} * \frac{51}{34} = \frac{68}{13} * \frac{51}{34} = \frac{102}{13} [/tex]
[tex]D = - \frac{4}{11} * (\frac{2}{11})^{-3} * (-5,5)^{-1} = -60,5 * (-5,5)^{-1} = 11[/tex]
[tex]a = 3 + \frac{1}{7} = \frac{22}{7} [/tex]
[tex]b = 3 : \frac{1}{7 + \frac{1}{15} } = 3 : \frac{1}{ \frac{15}{106} } = 3 * \frac{ \frac{15}{106} }{1} = \frac{45}{106} [/tex]