The numeracy of the Egyptians, honed by works like the Rhind Mathematical Papyrus, was widely admired across the ancient world.

在这样的教材训练下，埃及人的数学水平广受古代社会的推崇。

We don't know where the Rhind Mathematical Papyrus came from, but we presume that it must have been a tomb.

我们甚至不知道莱因德纸草书是如何保存下来的，只能推测它来自某座古墓。

But it was expensive-a 17-foot roll like the Rhind Mathematical Papyrus would have cost two copper deben, about the same as a small goat.

但这种纸极为昂贵。像莱因德纸草书这样的五米长卷价值两个铜德本，相当于一头小山羊的价钱。