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2. Aflați numărul x din: 618-[(x-46):5+214]=397 ​

Răspuns :

Răspuns:

[tex]618-[(x-46):5+214]=397\\\\(x-46):5+214=618-397\\\\(x-46):5=221-214\\\\x-46=7*5\\\\x=35+46\\\\x=81[/tex]