"82-63-1等于几一年级如何列算式"...82-63-1等于几一年级如何列算式
"82+63等于几"...82+63等于几
"82-68等于几"...82-68等于几
"82+68等于几"...82+68等于几
"82-81等于几"...82-81等于几
"82-6等于多少"...82-6等于多少
"82-71等于几"...82-71等于几
"82-68等于"...82-68等于
"81+82+83等于几"...81+82+83等于几
"82-9-1等于几"...82-9-1等于几
