Răspunsuri

2014-10-27T17:06:13+02:00
A=2.(357)
Deci a=2.357357357357357.....
Suma primelor noua zecimale: 9X(3+5+7):3=9X15:3=45
Suma primelor 2011 zecimale: 2011X(3+5+7):3=2011X15:3=10055
6 5 6