This is a much broader class of numbers than rationals, but it’s not everything. There are many numbers, namely the transcendental numbers like $\pi$, that aren’t represented by these. So they’re not a silver bullet, but substantially broaden the class of things we can do exact arithmetic with.
Basic reflection costs can scale up quickly.，详情可参考搜狗输入法
富了口袋之后，如何富脑袋、提内涵？。业内人士推荐手游作为进阶阅读
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