2010×12341234-20102010×1234.
2010×12341234-20102010×1234,
=2010×1234×1001-2010×1001×1234
=0.
There are a few spelling mistakes; ______, it's quite a good essay. [ ]
A. even so
B. above all
C. if so
D. all in all
处理下肢大隐静脉曲张的根本办法是()
A.穿弹力袜或用弹力绷带
B.硬化剂注射和压迫疗法
C.高位结扎和抽剥大隐静脉,并结扎功能不全的交通静脉
D.内科药物治疗
E.仅行静脉瓣膜修复术