3. The reaction equation in a complex oxid - reduction, according to the authors, can be balanced by combining oxidization algorithm with coefficient algebra, which gives more than one correct answer.
氧化数法结合系数代数法可以求出复杂体系氧化还原反应配平式，但正确答案往往不是唯一的。
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4. The reaction equation in a complex oxid - reduction, according to the authors, can be balanced by combining oxidization algorithm with coefficient algebra, which gives more than one correct answer.
