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Автор - kukonboev2015

Помогите!!! 5 умножить на одну пятую в скобках в квадрате минус 16 умноженое на одну пятую

Ответ

Автор - Akatava
5*( frac{1}{5} )^2-16* frac{1}{5}=5* frac{1}{25}-16* frac{1}{5}=  \ =frac{1}{5}-16* frac{1}{5}= frac{1}{5}(1-16)= frac{1}{5}*(-15)=-3

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