b14 c14-bc/c>14ab bc-ca>14.z=1914x 1414y=
问题描述:
b14 c14-bc/c>14ab bc-ca>14.z=1914x 1414y=
答
=1926α 26β=2626-19/3COSA B=38/3B
b14 c14-bc/c>14ab bc-ca>14.z=1914x 1414y=
=1926α 26β=2626-19/3COSA B=38/3B