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[单选题]
某工程需要水泥1000t。甲厂供应400t,原价300元;乙厂供应400t,原价310元/t;丙厂供应200t,原价320元/t。该工程所用水泥的原价应为()。
A.308
B.310
C.300
D.320
查看答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.308
B.310
C.300
D.320
A.280
B.278
C.270
D.290
A.1200
B.1300
C.1230
D.1250
A.260
B.255
C.280
D.240
A.281.04
B.282.45
C.282.61
D.287.89
A.260
B.255
C.280
D.240
A.加权平均原价
B.平均原价
C.修正平均原价
D.二次平均原价