1 zi - 1 aluna
2 zi - 4 alune
3 ... 31 = 4x5=20 alune
Aflam cate alune are :
1+4+(20x31)=1+4+620=5+620=625 alune a adunat in 31 zile
1. 2 veverite si le da cate 2 alune => 625-(2x2)=625-4=621 ( ii raman veveritei )
2. 3 veverite si le da cate 3 alune => 621-(3x3)=621-9=615 ( ii raman veveritei )
Atat am rezolvat ... Scuze si sper ca te-am ajutat !