有限小数:2,4,5,8,10,16,20,25,32,40,50,64,80,100,14个
纯循环小数:3,7,9,11,13,17,19,21,23,27,29,31,33,37,39,41,43,47,49,51,53,57,59,61,63,67,69,71,73,77,79,81,83,87,89,91,93,97,99,39个
有限小数:2,4,5,8,10,16,20,25,32,40,50,64,80,100,14个
纯循环小数:3,7,9,11,13,17,19,21,23,27,29,31,33,37,39,41,43,47,49,51,53,57,59,61,63,67,69,71,73,77,79,81,83,87,89,91,93,97,99,39个