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有些工程问题的应用题比较复杂,解答较为困难。但如根据题意把条件中的“合做”改为“独做”,或把“独做”改为“合做”,变换条件的表达形式,就容易找到解题途径。
The application of some engineering problems is more complicated, the answer is more difficult. However, it is easy to find a solution to the problem if we change the conditions for “cooperation” to “independence” or “independence” into “cooperation” and change the expression of conditions.