设:时间为3点x分.
时钟与十二点的角度为:90+0.5x
分钟与十二点的角度为:6x
(1)重合 6x - (60+0.5x) = 0
(2)平角 6x - (60+0.5x) = 180
(3)直角 6x - (60+0.5x) = 90
6x - (60+0.5x) = -90直角两个值
设:时间为3点x分.
时钟与十二点的角度为:90+0.5x
分钟与十二点的角度为:6x
(1)重合 6x - (60+0.5x) = 0
(2)平角 6x - (60+0.5x) = 180
(3)直角 6x - (60+0.5x) = 90
6x - (60+0.5x) = -90直角两个值