摘要:4.已知:,,,,-,若 符合前面式子的规律,则的值为 A.179 B.140 C.109 D.210
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已知:2+
=22×
,3+
=32×
,4+
=42×
,5+
=52×
,…,若10+
=102×
符合前面式子的规律,则a+b的值为( )
| 2 |
| 3 |
| 2 |
| 3 |
| 3 |
| 8 |
| 3 |
| 8 |
| 4 |
| 15 |
| 4 |
| 15 |
| 5 |
| 24 |
| 5 |
| 24 |
| b |
| a |
| b |
| a |
| A、179 | B、140 |
| C、109 | D、210 |
已知:2+
=22×
,3+
=32×
,4+
=42×
,5+
=52×
,…,若1004+
=10042×
符合前面式子的规律,则a+b的值为( )
| 2 |
| 3 |
| 2 |
| 3 |
| 3 |
| 8 |
| 3 |
| 8 |
| 4 |
| 15 |
| 4 |
| 15 |
| 5 |
| 24 |
| 5 |
| 24 |
| b |
| a |
| b |
| a |
| A、2008 | B、1009019 |
| C、2010 | D、2011 |