工厂租用10辆汽车运480吨货,每辆汽车都运了12次.平均每辆车每次运货多少吨?
480÷12÷10,
=40÷10,
=4(吨);
答:平均每辆车每次运货4吨.
He asked me ______.
A. what size shoes I wore B. what size shoes did I wear C. I wore what size shoes
经口内下颌支斜行骨切开术()
A.口底血肿
B.腭降动脉大出血
C.下齿槽动脉大出血
D.牙髓坏死
E.整个骨块坏死上列术后并发症多见于