"274除以三十约等于多少"...274除以三十约等于多少
"274除以31"...274除以31
"274除以30等于几"...274除以30等于几
"277除以三十"...277除以三十
"274除以230"...274除以230
"273除以三十"...273除以三十
"237除以四十"...237除以四十
"237除以274"...237除以274
"274除以39"...274除以39
"279除以三十"...279除以三十