1+40%x=5.60s-@4\7D;x*x+a-N9?:X:V
算式：提示.h(r2o5S)L9z0s-@4\7D;x*x+a-N9?:X:V
x=:Z9d(`8g'P)G0s-@4\7D;x*x+a-N9?:X:V