"82-44等于多少"...82-44等于多少
"82-47等于几"...82-47等于几
"82+46等于几"...82+46等于几
"82-43等于几"...82-43等于几
"82-41等于几"...82-41等于几
"82+45等于几"...82+45等于几
"82-49等于几"...82-49等于几
"82-42等于几"...82-42等于几
"82-54等于几"...82-54等于几
"82+34等于几"...82+34等于几
