Cat citeste a doua zi ?
2/10+1/10=3/10.
Cat citeste in primele doua zile ?
3/10+2/10=5/10
Cat a citit in a treia zi ?.
5/10-2/10=3/10
Cat citeste in a patra zi ?
2/10-1/10=1/10
Cat a citit in total ?
2/10+3/10+3/10+1/10 =9/10
Cat mai are de citit ?
10/10-9/10=1/10
