1.3600除以2/3
2.3600 * 3/2
3.3600-3600 * 2/3
4 3600+3600 * 2/3
5.3600*(1 + 2/3 )
6.3600*(1 - 2/3 )
1/15 + 1/20 = 7/60 3/4 除以 7/60 =45/7天 取整 为 7天
1/6 - 1/8 = 1/24 8/6倍
1/11 70
1.3600除以2/3
2.3600 * 3/2
3.3600-3600 * 2/3
4 3600+3600 * 2/3
5.3600*(1 + 2/3 )
6.3600*(1 - 2/3 )
1/15 + 1/20 = 7/60 3/4 除以 7/60 =45/7天 取整 为 7天
1/6 - 1/8 = 1/24 8/6倍
1/11 70