62573.61Q=6*8^4+2*8^3+5*8^2+7*8+3+6*（1/8）+1*(1/64)=25979+49/64;1101.111B=1*2^3+1*2^2+1+1/2+1/4+1/8=13+7/8;A7EF5.1A8H=10*16^4+7*16^3+14*16^2+15*16+5+1/16+10/(16*16)+8/(16*16*16)=687861+53/512;