We can see two trapezoidal tailpipes as well.

我们可以看到两个梯形排气管以及。

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Description of the problem: the preparation of an application calculating the trapezoidal area.

问题描述：编写一个应用程序计算梯形的面积。

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Description of the problem: the preparation of an application calculating the trapezoidal area.

问题描述：编写一个应用程序计算梯形的面积。

youdao