"658+194等于几"...658+194等于几

　"6582-4079+8351等于几"...6582-4079+8351等于几

　"4987+688等于几"...4987+688等于几

　"624-587等于几"...624-587等于几

　"6561+6561等于几"...6561+6561等于几

　"624+578等于几"...624+578等于几

　"684-535等于几"...684-535等于几

　"658+179等于几"...658+179等于几

　"658+342等于几"...658+342等于几

　"548+856等于几"...548+856等于几