摘要: $11.35 \times\left(-\frac{2}{3}\right)^{2}+2.1 \times\left(-\frac{2}{9}\right)-7.7 \times\left(\frac{-4}{3^{2}}\right)$ $\begin{aligned} & 11.35 \time 阅读全文
posted @ 2020-03-02 13:23 极客编程 阅读(389) 评论(0) 推荐(0) 编辑