合单双是什么意思?答:1.号码首尾两位数相的结果,奇数为合单,偶数为合双;2.比如合单是这样的:01,03,05,07,09,10,12,14,16,18,21,23,25,27,29,30;3.合双是这样的:02,04,06,08,11,13,15,17,19,20,22,24,26,28,31。5.印度-阿拉伯数字系统的十个数字,按值排列;6.数字是一种用来表示数的书写符号。...
合数单双表答:1、合单=01,03,05,07,09,10,12,14,16,18,21,23,25,27,29,30,32,34,36,38,41,43,45,47,49 2、合双=02,04,06,08,11,13,15,17,19,20,22,24,26,28,31,33,35,37,39,40,42,44,46,48 合数:指自然数中除了能被1和本身整除外,还能被其他数(0除外)整除的数。类型:合数...