// 购房从银行贷了一笔款d,准本每月还款额为p,月利率为r,计算多少月能还清。 // d = 300000 p = 6000 r = 0.01 对求得的月份取小数点后一位,第二位四舍五入 // m = log( p/(p-d*r))/log(1+r) #include <stdio.h> #include <math.h> int main() { float d = 300000.0; float p = 6000.0; float r = 0.01; float m; m = log( p / ( p - d * r ) ) / log ( 1 + r ); printf("需要 %3.1f 个月还清\n",m); return 0; } <img src="http://img.blog.csdn.net/20150423121336736?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvemhhb3lhcWlhbjU1Mg==/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="" />
时间: 2024-11-06 14:03:20