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[tex] a =(3 \times \frac{3}{5} ) { }^{ - 1} + \sqrt{0.0(3) \times 0.8(3)} [/tex]
[tex]b = 3 \times \frac{1}{2} \times (0.125 - 0.25 + ( - 1)^{ - 6} )^{ - 1} [/tex]
calculati media aritmetica si media geometrica a numerelor a si b​