Răspunsuri

2014-10-23T19:36:23+03:00
Cel mai inteligent răspuns!
2014-10-23T19:45:15+03:00
1+{2+[3x(4+5)-6+7x8]-9}=1+{2+[3x9-6+56]-9}=1+{2+[27+50]-9}=1+{2+77-9}=1+{79-9}=1+70=71
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