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[(5:x+3:x+10:x)x18:4+14]:23=1

Răspuns :

=> (5:x+3:x+10:x)x18:4+14=1x23=> (5:x+3:x+10:x)x18:4=23-14  => (5:x+3:x+10:x)x18=9x4 => 5:x+3:x+10:x=36:18 => 5:x +3:x +10:x = 2 => 18:x =2 => x=18:2 => x=9
Sper ca nu am sarit peste ceva .