(a85•b65)12÷5a4÷5b3
=a45•b35÷a45÷b35
=1.
故答案为:1.
找出错误并改正。
1. I'm going read a magazine.
2. I'm going Sunday morning.
3. Where are you going to do on the weekend?
4. Where are you going to the supermarket?
5. I want to go there on bike.
数据库是在计算机系统中按照一定的数据模型组织、存储和应用的
A.文件的集合
B.数据的集合
C.命令的集合
D.程序的集合