add 8hours ,48min,3hours'28min ans is 12hours 50min how solve it class4th Questions
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- Oxidation is the loss of electrons during a reaction by a molecule, atom or ion. Oxidation occurs when the oxidation state of a molecule, atom or ion is increased. The opposite process is called reduction, which occurs when there is a gain of electrons or the oxidation state of an atom, molecule, or ion decreases.
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addition then subtraction then multiplication then subtraction and your answer should be there
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