Răspuns :
notam cu Xnumarul problemelor
in prima saptamana:1/6Xx+3
a doua saptamana.1/7x(X-1/6xX-3)+4
a teia saptamana:62 de probleme
in prima saptamana:1/6Xx+3
a doua saptamana.1/7x(X-1/6xX-3)+4
a teia saptamana:62 de probleme
in prima sapt. 1/6Xx+3
a doua sapt. 1/7x(x-1/6xX-3)+4
a treia sapt. 62 de probleme
a doua sapt. 1/7x(x-1/6xX-3)+4
a treia sapt. 62 de probleme