"四十除以2%等于几"...四十除以2%等于几
"嗯四十除以二"...嗯四十除以二
"四四十除以2等于几"...四四十除以2等于几
"四十除以二十十等于几"...四十除以二十十等于几
"四十除以二等于多少"...四十除以二等于多少
"四十除2等于几"...四十除2等于几
"四十除以2^2"...四十除以2^2
"四十除以二10等于几"...四十除以二10等于几
"四十除以7×"...四十除以7×
"四十除以5×6"...四十除以5×6