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9236-[(3245-1236 63*4/2)/5 +a] 23124=31860

Răspuns :

daca e asa:
9236-[(3245-1236)•(63•4:2)]:5+a]•23124=31860atunci...
9236-[(2009•126):5+a]•23124=31860
9236-(50626,8+a)•23124=31860
50626,8+a=31860:23124
a=50626,8-1,37
a=50625,43....
sigur nu ai scris corect ex