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RAI+IAR+IA=824 R,A,I=?

Răspuns :

185+581+58=824  r=1  a=8  i=5
[tex] \left \{ {{y=2} \atop {x=2}} \right. \left[\begin{array}{ccc}1&2&3\\4&5&6\\7&8&9\end{array}\right] \\ x^{2} \sqrt{x} [/tex]