Ответ:
Cтепень [tex]a^3=a\cdot a\cdot a\ \ ,\ \ a^2=a\cdot a[/tex] .
[tex]4\cdot \Big(\dfrac{1}{2}\Big)^3+18\cdot \Big(\dfrac{1}{3}\Big)^2=4\cdot \dfrac{1}{8}+18\cdot \dfrac{1}{9}=\dfrac{1}{2}+2=2\dfrac{1}{2}=2,5[/tex]
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Ответ:
Cтепень [tex]a^3=a\cdot a\cdot a\ \ ,\ \ a^2=a\cdot a[/tex] .
[tex]4\cdot \Big(\dfrac{1}{2}\Big)^3+18\cdot \Big(\dfrac{1}{3}\Big)^2=4\cdot \dfrac{1}{8}+18\cdot \dfrac{1}{9}=\dfrac{1}{2}+2=2\dfrac{1}{2}=2,5[/tex]