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2014-11-03T19:11:01+02:00
  • Utilizator Brainly
2014-11-03T19:14:00+02:00
A:5=10+r
a=5·10+r , r<5
r∈{0,1,2,3,4} deci :
a∈{5·10+0 , 5·10+1 , 5·10+2 , 5·10+3 , 5·10+4}
a∈{50,51,52,53,54}
1 5 1