ã £ §
ã û û
£
£
ã
2 «
£ §
ã
ã
¸
©
¸
£ ã
£ ã
£ § û
ã
¸
©
ã
18
Das TI-84 Plus-Buch
«
ã ¢ û
û
£
¢
£
a
b
a
b
© Schumann`s Verlagshaus