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1.To solve this problem, we need to step-by-step compute the solution.
为了解决这个问题，我们需要逐步计算解决方案。
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2. The teacher demonstrated how to step-by-step compute a complex mathematical equation.
老师演示了如何逐步计算一个复杂的数学方程式。
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3. In order to improve our understanding of the material, we should step-by-step compute each concept.
为了提高我们对材料的理解，我们应该逐步计算每个概念。