单项选择题
A.定额基价×(2.5+2) B.定额基价×2.5(×)2 C.定额(人+机)×(2.5+2) D.定额(人+机)×2.5×2
A.100 B.38.4 C.83.2 D.120
A.0.1m B.0.2m C.0.3m D.0.4m