"854除以4"...854除以4
"804除以49"...804除以49
"836除以四十"...836除以四十
"435除以八十"...435除以八十
"8540除以4等于几"...8540除以4等于几
"874除以四十"...874除以四十
"852除以四十"...852除以四十
"856除以四十"...856除以四十
"785除以四十"...785除以四十
"850除以四十"...850除以四十