【RadiationWhy】評論
甲=6/10=0.6乙=7/12=0.58.....★★★★★★...
【17】評論
命中率=。甲隊:==0.6乙隊:≒0.58丙隊:==0.6丁隊:=≒0.670.67大於0.6大於0.58答案故選D