7/16：x=7/8：32/9;u6y'g8t0V1o
算式：提示*`+[0H2}5i;X8X7E,`)q,e5k-e4w2x8p+U6Q;u6y'g8t0V1o
=:H4T(s5D(a4w(P3@;`5c4p1n*s;u6y'g8t0V1o