"32-28除以4"...32-28除以4

　"32除48加224除24"...32除48加224除24

　"32-20除以4等于几"...32-20除以4等于几

　"32除4得多少"...32除4得多少

　"32除以4+20"...32除以4+20

　"32除4除2等于几"...32除4除2等于几

　"32除以4除以8"...32除以4除以8

　"32-24除以4等于几"...32-24除以4等于几

　"32除以4除以2"...32除以4除以2

　"32-28除以4等于几"...32-28除以4等于几