计算(y.n:T(@3x0@5B6d6N
100+99+98-97-96-95+94+93+92-91-90-89+……+10+9+8-7-6-5+4+3+2-1(y.n:T(@3x0@5B6d6N
算式:提示/h;F6o-H(y.n:T(@3x0@5B6d6N
=0Z2X8I4E)x(y.n:T(@3x0@5B6d6N