3.78至少扩大______倍才能是整数.
把3.78的小数点向右移动两位是378,
故3.78至少扩大100倍才能是整数.
故答案为:100.
用所给词的适当形式填空
1. The story has a happy _ (end).
2. The reason why he came is not very _(convince).
3. Have you ever _ _(be) to the Water Park?
4. There was something wrong with my car yesterday, but a kind man gave me a _(rode).
5. My father ________ (work) in this factory since 1980.
男,30岁,工人。右小腿外伤3h,局部疼痛,畸形功能障碍。X线片检查,其致伤外力和骨折类型,最可能是()
A.间接暴力,粉碎骨折
B.直接暴力,横形骨折
C.间接暴力,横形骨折
D.直接暴力,粉碎骨折
E.间接暴力,斜骨折