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(5x5+6x6-9r)+6x5-5x10=9:3

Răspuns :

(5×5+6×6-9)+6×5-5×10=3 (25+36-9)+30-50=3/(25+36-9)+30=50+3 (25+36-9)+30=53/(61-9)+30=53 /52+30=82 / Răspuns final 82 sper ca team ajutat