deductive method

例句：

1. 1. The scientist used deductive reasoning to solve the problem.
   科学家使用归纳推理解决了这个问题。
2. 2. The math teacher taught us how to use deductive reasoning in solving equations.
   数学老师教我们如何使用演绎推理来解方程。
3. 3.The team decided to deduct some points from their score for poor performance.
   团队决定因表现不佳而扣分。