复利:期数n=3i=12% 3 $134$150 $1,OOO$1,120 $1,254 $1,404 (p+pi) p(1+j (p+pi+(ptpi)* =p(1+)(1+i)=p(1+i)2 p(1+i复利：期数n=3 i=12% 0 1 2 3 $120 $134 $150 $1,000 $1,120 $1,254 $ 1,404 p* i = (p+pi) p(1+i)*i =p(1+i) =(p+pi)+ (p+pi)*i =p(1+i)(1+i)=p(1+i)2 =p(1+i)3