贷款分期等额怎么算年息,比如借款30万,分36期还,每期还1万,年利率是多...答:300000/(P/A,R,36)=10000 (P/A,R,36)=300000/10000=30 当R=1.03%时,(P/A,1.03%,36)=29.95221255 当R=1.02%时,(P/A,1.02%,36)=30.00385087 使用插值法计算月利率R=(1.03%-1.02%)/((29.95221255-30.00385087)/(30-30.00385087))+1.02%=1.02074574 年利率=1....