徐小培 发表于 2010-2-4 20:07 2 v, q* V# j% y. ~ _Solve[8*x^(3/2/n) - 8*x^(-3/2/n) == 63, x]) U2 O7 w8 U# f% [% l" n$ r Solve[2*(x/a)^(1/2) + 3*(a/x)^(1/2) == b/a + 6*a/b, x]