作业帮660,60,12,6,3,30,() A5 B4 C3 D2
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660,60,12,6,3,30,() A5 B4 C3 D2
660,60,12,6,3,30,() A5 B4 C3 D2
660,60,12,6,3,30,() A5 B4 C3 D2
题目是不是错了.应该是660,60,12,6,3,3,()吧.
(660+60)/60=12
(60+12)/12=6
(6+3)/3=3
(3+3)/3=2
选D