50％x-33%x=343F.e+]2];~3r*`2d.t:H
算式：提示:`-J2^,V,U0s2L+G0D;A4X;d)v*s.m)w5^;~9n2w3F.e+]2];~3r*`2d.t:H
x=1c(g,N/[4M'a2^;B:j3F.e+]2];~3r*`2d.t:H