Răspuns :
[tex]1,(45)= \frac{145-1}{99} , =1,45454545 \\ \\ 1,45=1,450000 [/tex]
evident comparam si observam ca 1,450000<1,45454545..........
deci 1,45<1,(45)
evident comparam si observam ca 1,450000<1,45454545..........
deci 1,45<1,(45)