分母为105的最简真分数有几个?
1个回答

1/105,2/105,4/105,7/105,8/105,11/105,13/105,7/105,16/105,17/105,19/105,22/105,23/105,

26/105,28/105,29/105,31/105,32 /105,34/105,37/105,38/105,41/105,43/105,44/105,46/105,

47/105,49/105,52/105,53/105,56/105,58/105,59/105,61/105,62/105,64/105,67/105,68/105

71/105,73/105,74/105,76/105,77/105,79/105,82/105,83/105,86/105,88/105,89/105,91/105,

92/105,94/105,97/105,98/105,101/105,103/105,104/105

56个