simplify an expression

来源: 于 2009-02-23 13:18:16 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

10(2x6^.5+5)-(2x6^.5+5)^.5x(9x3^.5+11x2^.5)
x means times.