Their school has more than two _____ teachers and _____ students.
A:hundreds of, thousands of
B:hundred, thousands of
C:hundred of, thousand
D:hundreds, thousands of
下列说法正确的是( )
算一算,填一填。
被除数
36
25
9
8
6
16
除数
5
3
2
1
4
商
____
某种细胞的直径是5×10-4毫米,这个数是( )
据最新报道,日本福岛核电站至今仍有放射性碘泄漏,给当地居民生活造成严重威胁,这里的碘是指