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ajutor COROANA URGENT!!!!!

Ajutor COROANA URGENT class=

Răspuns :

6cartof+9ceapa=615
8cartof+3ceapa=505kg /×(-3)

6cartof+9ceapa=615
-24-9ceapa=-1515
                          (-)
-18cartof / =-900 /×(-1)
18cartof=900
cartof=900:18
cartof=50

8×50+3ceapa=505
3ceapa=505-400
3ceapa=105
ceapa=105:3
ceapa=35