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课堂上老师讲解了用待定系数法求一次函数的解的式,数学活动中,在老师的启发下,发现用待定系数法可轻松地解一类07年线性规划高考题.
In the classroom, the teacher explained the formula for finding the solution of the first-order function by the undetermined coefficient method. In the mathematics activity, under the inspiration of the teacher, it was found that the undetermined coefficient method can easily solve a class of linear planning problems for college students.