WEBNov 5, 2013 · 都三年了。. 最新版里还是有这个bug。. 你们不报我来报好了. Maxima -- GPL CAS based on DOE-MACSYMA / Bugs / #3208 Can't solve this simple equation.. 2016年9月19日更新: 官方觉得应该是algsys函数的问题. I have started to explore this. It interesting to compare. algsys ( [x^2+y^2=1, (x-2)^2+ (y-3)^2=9], [x,y]);