A.50.96% B.58.82% C.66.67% D.68.97%
A.7.2次 B.7.5次 C.72% D.73%
A.投資活動(dòng)B.經(jīng)營(yíng)活動(dòng)C.籌資活動(dòng)D.以上各項(xiàng)均是