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[单选题]
某井中有密度为1.30g/cm3的钻井液200m3,均匀混入密度为1.50g/cm3的钻井液()后,混合后的钻井液密度是1.34g/cm3。
A.20m3
B.70m3
C.60m3
D.50m3
查看答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.20m3
B.70m3
C.60m3
D.50m3
A.40
B.50
C.60
D.70
A.1.36
B.1.37
C.1.38
D.1.50
A.14.95
B.15.95
C.16.95
D.17.95
A.29.43
B.36
C.35.32
D.都不是
A.71.28
B.71.20
C.75.50
D.76.50
A.1.50
B.1.47
C.1.40
D.1.30
A.0.05-0.10g/cm3
B.0.1-0.5g/cm3
C.0.15-0.2g/cm3
D.0.01-0.05g/cm3