Zapiš výrazy jako mocninu, či mocniny, ve tvaru r^{n}, kde n ∈ ℤ pro a, b, x ≠ 0:
\large \Large \frac{{{7^{n-1}}}}{{49}}\large
\large = {7^{n-1+1}} = {7^{n}}
Unchecked
\large = {7^{n-1-1}} = {7^{n-2}}
Unchecked
\large = {7^{n-1+2}} = {7^{n+1}}
Unchecked
\large = {7^{n-1-2}} = {7^{n-3}}
Unchecked
Hint
Hint
Tady budeš pracovat se zlomky a bez vzorečků pro počítání s mocninami se rozhodně neobejdeš. Tvým cílem je zapsat výraz v základním tvaru (co nejvíce ho zjednodušit).
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