It is only possible if we keep decimal or exponential numbers.

actually, in a sense, we can do it without exponents or expressiom

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It is only possible if we keep decimal or exponential numbers.

actually, in a sense, we can do it without exponents or expressiom

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1hr+5hr+1day=30hr

Then, if the expression is an even number indeed, then the expression or will be odd since every even number is succeeded and preceded by an odd number. Since 30-1 or 30+1 are not even, or will never be 30.