1.5 Lösning 1d

\[ {10\,^5 \cdot\, 10\,^{-5} \over 10\,^{-2} \cdot\, 10\,^3} \, = \, {10\,^{5\,+\,(-5)} \over 10\,^{-2} \cdot\, 10\,^3} \, = \, \]