la 3 : in prima zi 50 - 5= 45
a doua 45-5=40
a treia 40-5=35
a patra 35-5=30
a cincea 30-5=25
a sasea 25-5=20
a saptea 20-5=15
a opta 15-5=10
a noua 10-5=5
a zecea 5-5=0 [Alune] raspuns 10 zile
2 ] a] 97 82 67 52 37 22 7
b'] 90 75 60 45 30 15 0
c] 100 75 50 25 0
d] 64 50 36 22 8
