12×1/31+2+31/100+1/125=0,705096774
12×1/31=12/31
12/31+2=2 12/31
2 12/31+31/100=2161/3100
2161/3100+1/125=10929/15500
12×1/31+2+31/100+1/125=0,705096774
12×1/31=12/31
12/31+2=2 12/31
2 12/31+31/100=2161/3100
2161/3100+1/125=10929/15500