Wie viele Dollar mus man wechseln damit man 500 Franken erhält? 1usd kauf 0.9005 Chf Verkauf 0.9845 CHF
$${\frac{{\mathtt{500}}}{{\mathtt{0.900\: \!5}}}} = {\mathtt{555.247\: \!084\: \!952\: \!803\: \!997\: \!8}}$$
$${\frac{{\mathtt{500}}}{{\mathtt{0.984\: \!5}}}} = {\mathtt{507.872\: \!016\: \!251\: \!904\: \!520\: \!1}}$$
$${\frac{{\mathtt{500}}}{{\mathtt{0.900\: \!5}}}} = {\mathtt{555.247\: \!084\: \!952\: \!803\: \!997\: \!8}}$$
$${\frac{{\mathtt{500}}}{{\mathtt{0.984\: \!5}}}} = {\mathtt{507.872\: \!016\: \!251\: \!904\: \!520\: \!1}}$$