OG数学 DS 130。 What is the volume of a certain rectangular solid?
1. Two adjacent faces of the solid have ares 15 and 24, respectively.
2. Each of two opposite faces of the solid has area 40
答案是C。看完OG解释也没懂。条件2中Each of 难道不是每一组相对面面积都是40吗?但OG中感觉解释是其中一个面的面积是40.