a, b, c numerele.
a+b+c=2018
a/2, b/3 si c/4 nr. crescatoare consecutive => a/2=x => a=2x
b/3=x+1 => b=3x+3
c/4=x+2 => c=4x+8
a+b+c=2018
2x+3x+3+4x+8=2018
9x+11+=2018 |-11
9x=2007 |:9
x=223 |=> a= 2*223=446
|=> b= 3*223+3=669+3=672
|=> c=4*223+8=892+8=900
verificare: 446+672+900+2018 adevarat