Find the missing number in the sequence:3,6,11,20,37,______,135.
Answer:______.
人气:250 ℃ 时间:2020-05-28 01:17:50
解答
因为6=3×2-0;11=6×2-1;20=11×2-2;37=20×2-3;
所以下个数应该为:37×2-4=70;
验证:70×2-5=135正好是最后一个数;
故答案为:70
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