数字推理:1/2,1,1,(),9/11,11/13 A2 B3 C1 D7/9
热心网友
c规律是:分子1,3,5,7,9,11......分母2,3,5,7,11,13.......(质数)
热心网友
中间你打错了吧?是不是 1/2, 3/5, 5/7, 7/9, 9/11, 11/13......所以选D
数字推理:1/2,1,1,(),9/11,11/13 A2 B3 C1 D7/9
c规律是:分子1,3,5,7,9,11......分母2,3,5,7,11,13.......(质数)
中间你打错了吧?是不是 1/2, 3/5, 5/7, 7/9, 9/11, 11/13......所以选D