$a - [ a - \{ a - (a - \overline{{a - 1}})\}]$
If the overline functions as a vinculum, the value of this expression should be -
$a + 1$
Is it correct?
Could anybody please help me to understand this?
2026-04-04 03:18:08.1775272688
Does the overline in the expression functions as a vinculum or something else?
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