(3/4)²-(3/4)³=(3²/4²)-(3³/4³)=(9/16)-(27/64)=(36/64)-(27/64)=9/64=0,140625
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(3/4)²-(3/4)³=(3²/4²)-(3³/4³)=(9/16)-(27/64)=(36/64)-(27/64)=9/64=0,140625
Готово.
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