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Dau coroana ! 5 ori deschide paranteza patrata 17 plus 108 impartit deschide paranteza rotunda 225 minus 9 ori 15 inchide paranteza rotunda si patrata plus × egal 96 .

Răspuns :

5•[17+108:90]+x=96 5•[17+1,2]+x=96 5•18,2+x=96 X=96-91=5