1和
和2
3和
4和
假分数不能化成整数就一定能化成带分数.
=
= =
= = = = =
①
②
③
④
⑤
+ = - = 1- = + =
- = 0.23= 9÷4=(带分数)
9= = =
= = =÷2=(填带分数)