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afla t
556-(8xt+4):(9+9:9-0)=2x3x4x2


Răspuns :

556-(8t+4):10=48
-(8t+4):10=48-556
-(8t+4):10=-508 (-1)
8t+4=508x10
8t=5080-4
t=5076:8
t=634,5