Ответ:
\[10\cdot\left(\frac{1}{5}\right)^2-12\cdot\frac{1}{5}=10\cdot\frac{1}{25}-\frac{12}{5}=\frac{2}{5}-\frac{12}{5}=-\frac{10}{5}=-2.\]
Ответ: \(-2\)
\[10\cdot\left(\frac{1}{5}\right)^2-12\cdot\frac{1}{5}=10\cdot\frac{1}{25}-\frac{12}{5}=\frac{2}{5}-\frac{12}{5}=-\frac{10}{5}=-2.\]
Ответ: \(-2\)