-2/5 1/5 -8/750 ()A11/375 B9/375 C7/375 D8/375
热心网友
我做出来是2/375,但有答案的话,我选7/375
热心网友
数列:-2/5,1/5,-8/750,(2/375)因为-300/750,150/750,-8/750,(4/750)1,2项与3,4项比值应该相等或理解为奇数项与偶数项比值相等.
-2/5 1/5 -8/750 ()A11/375 B9/375 C7/375 D8/375
我做出来是2/375,但有答案的话,我选7/375
数列:-2/5,1/5,-8/750,(2/375)因为-300/750,150/750,-8/750,(4/750)1,2项与3,4项比值应该相等或理解为奇数项与偶数项比值相等.