Ich schreibe die Bezeichnung Euro ( € ) nicht mit !
$${\mathtt{90}}{\mathtt{\,\times\,}}{\mathtt{80}}\% = {\mathtt{72}}$$
$${\frac{{\mathtt{90}}{\mathtt{\,\times\,}}{\mathtt{80}}}{{\mathtt{100}}}} = {\mathtt{72}}$$
$${\mathtt{90}}{\mathtt{\,\times\,}}{\mathtt{0.8}} = {\mathtt{72}}$$
Ich schreibe die Bezeichnung Euro ( € ) nicht mit !
$${\mathtt{90}}{\mathtt{\,\times\,}}{\mathtt{80}}\% = {\mathtt{72}}$$
$${\frac{{\mathtt{90}}{\mathtt{\,\times\,}}{\mathtt{80}}}{{\mathtt{100}}}} = {\mathtt{72}}$$
$${\mathtt{90}}{\mathtt{\,\times\,}}{\mathtt{0.8}} = {\mathtt{72}}$$