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R+A+C=432
R+A =218 KG
A+C=307 KG
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R=? A=? C=?


Răspuns :

R+307=432
R=432-307
R=125
125+A=218
A=218-125
A=93
93+C=307
C=307-93
C=214
V:125+93+214=432