Madrid has ordered nearly half of the private cars off the roads on Thursday to deal with the worsening air pollution, a first in Spain. The restriction (限令) will operate between 6.30 a.m. and
If the ratio of the degree of exterior angleof ∠A,∠B and ∠C that are in the triangleABC is 5:4:3,then the ratio of the degree of ∠A,∠B and ∠C is ( )A、5:4:3