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10+3+33+4+5+5+7+8+9+5++8+78-6-56-66


Răspuns :

10+3+33+4+5+5+7+8+9+5+8+78-6-56-66=47
10+3+33+4+5+5+7+8+9+5+8+78-6-56-66=175-128=47.