Question

Calculati media aritmetica a următoarelor numere raţionale pozitive :a) 7pe2 si 3pe4
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Answer 1

$\it m_a=\dfrac{\dfrac{^{2)}7}{\ 2}+\dfrac{3}{4}}{2}=\dfrac{\dfrac{17}{4}}{2}=\dfrac{17}{2\cdot4}=\dfrac{17}{8}$