Вычислите 5*2 ^-2 +3^-1

[latex]5*2^{-2}+3^{-1}=frac{5}{2^2}+frac{1}{3^1}=frac{5}{4}+frac{1}{3}=frac{5*3}{4*3}+frac{1*4}{3*4}=frac{15}{12}+frac{4}{12}=frac{19}{12}[/latex]

5·2⁻²+3⁻¹=5/4+1/3=(5·3+4)/12=19/12=1⁷/₁₂;