3又1/2吧
0.365*640+3又1/2*36.5+365*0.01
=36.5x6.4+3.5x36.5+36.5x0.1
=36.5x(6.4+3.5+0.1)
=36.5x10
=365
如果本题有什么不明白可以追问,