13/27*8+19/27*13=?各位大哥大姐们,求你们啦!告诉我答案吧!急急急急急!~~~~呜呜呜
问题描述:
13/27*8+19/27*13=?各位大哥大姐们,求你们啦!告诉我答案吧!急急急急急!~~~~呜呜呜
今天就要!啊啊啊呜呜呜~~~~~~~~~~~烧三炷香~~~~~~~~~~
答
=13/27*8+13/27*19
=13/27*(8+19)
=13/27*27
=8晚了什么意思因为我会做了............