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学生在学习数学中,不可避免地会发生错误.我们对错误要有正确的认识,首先,不要害怕学生犯错误,错误往往是正确认知的前兆,这正是失败乃成功之母,错误是重要的学习资源.其次,要引导学生主动积极地发现错误,发现错误之时,是发展思维的最佳时机.再次,培养学生及时反思纠正错误的习惯,吃一堑长一智.笔者在三角形中三个求解范围问
First, do not be afraid of students making mistakes. Errors are often the precursors of correct cognition. This is the mother of failure and success. The mistakes are: Important learning resources.Secondly, to guide students to take the initiative to actively discover mistakes, when found mistakes, is the best time to develop the thinking.Furthermore, students are encouraged to reflect on the wrong habits in a timely manner, eat a cutting wisdom.I author in the triangle Question in the three solutions