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16:.....×7=56
36:....×9=81


Răspuns :

[tex]16:...=56:7\Leftrightarrow~16:..=8\Rightarrow~Nr.~cautat~este~\boxed{2.} \\ 36:...=81:9\Leftrightarrow~36:..=9\Rightarrow~Nr.~cautat~este~\boxed{4.} \\ [/tex]