the solution为什么不是solve?

Solve the given nonlinear inequality.Write the solution set 问个英语问题.求教.The problem is much too difficult to solve.为什么不是To The problem is easy to solve.为什么用to solve _____(解决) the difficult problem.（不是solve） The Final Solution 歌词 翻译 The minimum norm solution solve the mystery solve the problem solve the traffic solve the equation . the solution was to uninstall WebDav?这里为什么多了个to? Find the solution for the following:Given