如何求抛物线上某点的切线方程答:1.c4e5,2.Nh3Bc5,3.g3Nc6,4.Nf4f6,5.Bg2Kf7,6.e4a5,7.0--0Ra6,8.d4N↑d4..……Re1Nd5,Q×d5Rc6①Nh3c6c4Pd6g3Qc7Nc3g6Bg2Nc7e4Pf6Nf4Nc5d4Ne6N*e6+B*e6,Pd5c*d5,ed5Bc8Qa5Kd8,0--0pb6Nb5Qc5Na7e6Nc6+Kc7Q*a8Bd5Bh6Bf4B*f4,Qb8Kd7Be6+K*c6,Qb8#。残局:Be6K*e6,Qb...