1234*67896789-67898*12341234

1234*67896789-67898*12341234 简算 455乘38/5+111除以5/96+43.3乘76 1234乘67896789-6789乘1234123438/5代表5分之38 计算：6789×67886788-6788×67896789 1234 1234%^&*()?., 1234 1234 1234 1234+1234=1234, 1432*1234×1234 123 123 1234 1234 123+1234+1234=? 1234 ,1234 为什么像首歌 1234*909+1234*9090 1234*9090+1234*909 1234除以1234又1234/1235 1234×1-1234=1234对不对? 1234+1234+1234+1234+4321+4321+4321＝