Задание
Вычисли и распредели ответы
- \(49\)
- \(343\)
- \(49\)
- \(-343\)
- \(49\)
- \(-343\)
- \(-49\)
- \(343\)
- \(\dfrac{1}{49}\)
- \(-\dfrac{1}{343}\)
- \(\dfrac{1}{343}\)
- \(7^2=\) [ ].
- \(7^3=\) [ ].
- \((-7)^2=\) [ ].
- \((-7)^3=\) [ ].
- \(\left( -\dfrac{1}{7} \right)^{-2}=\) [ ].
- \(\left( -\dfrac{1}{7} \right)^{-3}=\) [ ].