题目内容
已知:2+
=22×
,3+
=32×
,4+
=42×
…,若14+
=142×
(a、b均为正整数),则a+b=______.
| 2 |
| 3 |
| 2 |
| 3 |
| 3 |
| 8 |
| 3 |
| 8 |
| 4 |
| 15 |
| 4 |
| 15 |
| a |
| b |
| a |
| b |
由已知得出:14+
=142×
,b=142-1,a=14,
∴a+b=14+142-1=209.
故答案为:209.
| a |
| b |
| a |
| b |
∴a+b=14+142-1=209.
故答案为:209.
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