包括货币、长度、时间、重量、周界、面积、体积和速度。

Including: money, length, time, weight, perimeter, area, volume and speed.

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微积分学中有关积分与它在微分方程和测定面积，体积等的应用的部分。

What fraction of the area of ABC is the area of the shaded part?

youdao

微积分学中有关积分与它在微分方程和测定面积，体积等的应用的部分。

What fraction of the area of ABC is the area of the shaded part?

youdao