Răspuns :
ana+maria+malina=43
ana+maria=23 deci malina=43-23=20 ani
ana+maria+malina=43
maria+malina=34 deci ana=43-34=9 ani
maria+malina=34
malina=20 deci maria=34-20=14ani
verificare 9+14+20=23+20=43
ana+maria=23 deci malina=43-23=20 ani
ana+maria+malina=43
maria+malina=34 deci ana=43-34=9 ani
maria+malina=34
malina=20 deci maria=34-20=14ani
verificare 9+14+20=23+20=43
ana+maria+malina=43
ana+maria=23
malina=43-23=20 ani
ana+maria+malina=43
maria+malina=34
ana=43-34=9 ani
maria+malina=34
malina=20
maria=34-20=14ani
ana+maria=23
malina=43-23=20 ani
ana+maria+malina=43
maria+malina=34
ana=43-34=9 ani
maria+malina=34
malina=20
maria=34-20=14ani