找规律填数1/2,5/6,11/12,19/20,( ),41/42.
问题描述:
找规律填数1/2,5/6,11/12,19/20,( ),41/42.
答
1/2,5/6,11/12,19/20,(29/30 ),41/42.
5-2=3
11-6=5
19-12=7
29-20=9
41-30=11