计算:(-6)-3×(-2)3=______.
原式=-6-3×(-8)=-6+24=18.
故答案为:18.
_____, you have given me a lot of help.
A.Tell the truth
B.To tell the truth
C.Telling true
D.Telling truth
对于大气环境影响二级和三级评价项目,小时浓度应至少获取当地( )浓度值。
A.8h
B.5h
C.4h
D.3h