"35+15减二十"...35+15减二十
"35+20减十"...35+20减十
"35+10减二十"...35+10减二十
"25+35减十"...25+35减十
"35减20怎么算"...35减20怎么算
"352-15减252-35等于几"...352-15减252-35等于几
"35+21减十"...35+21减十
"35+5减二十"...35+5减二十
"35-20减5"...35-20减5
"35-5减二十"...35-5减二十