Raten und Rechnen
\(\begin{array}{rrcrcr} & I && II && III \\ IV & abc &-& def &=& ad \\ & - && - && * \\ V & ghi & : & eg &=& bj \\ \\ \hline \\ VI & eha &+& dhc &=& fbj \\ \end{array}\)
Lösung:
\(a = 7 \\ b = 1 \\ c= 5 \\ d = 6 \\ e = 3 \\ f = 9 \\ g = 4 \\ h = 0 \\ i = 8 \\ j = 2\)
\(\begin{array}{rrcrcr} & I && II && III \\ IV & 715 &-& 639 &=& 76 \\ & - && - && * \\ V & 408 & : & 34 &=& 12 \\ \\ \hline \\ VI & 307 &+& 605 &=& 912 \\ \end{array}\)