这个是数学上非常有名的菲波那契数列，对于初学VC的人来说是个很有意思的小程序，一对兔子出生二个月后，每个月会生一对小兔子，小兔子从第二个月起也可以生一对新的小兔子，N个月后，共有多少对兔子？程序对学生成绩进行统计，并输出各科平均成绩。-very famous Fibonacci series, for the beginners VC is a very interesting small program, a month after the birth rabbits, each month : a small rabbit, the rabbit small starting from the first 12 months of Health also a new small rabbits, N months later, the total number of the rabbit? Procedures for student performance statistics, and output sections average scores.