6和8是7的邻居.
比12大比18小的自然数有.
(从小到大填写)
( )<( )
( )>( )
( )只 ( )只
0 |
|
2 |
|
4 |
|
|
8 |
|
6 |
5 |
|
3 |
|
|
|
7 |
|
5 |
|
|
2 |
|
|