Falling into Hell

u wrote, the formulas and methods of proof used in the process of solving problems, which they have never learned.Rao is Hu Bo, a math teacher standing on the podium, who can't keep up with the rhythm...crack and approached the empty beast again!this time, Fang Yu clenched his right fist and smashed it out in the middle of the head of the empty beast.this punch, Fang Yu used 90% of his strength!"Boom...