Question

fie nr.a= 2,3(452).Calculati suma primelor2019 zecimale​

Answer 1

s=3+4+5+2+4+5+2+4+5+2+...+x

2019-1=2018÷3=672, rest=2=> x=5

s=3+[(4+5+2)•672]+4+5

s=3+(11•672)+4+5

s=12+7392

s=7404

sper ca te.am putut ajuta :)