题目内容
已知:2+
|
试题答案
C
相关题目
已知2+
=22×
,3+
=32×
,4+
=42×
,…,若10+
=102×
(a、b为正整数),请回答下列问题:
(1)写出a、b的值;
(2)求分式(
+
)÷
的值.
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| 2 |
| 3 |
| 2 |
| 3 |
| 3 |
| 8 |
| 3 |
| 8 |
| 4 |
| 15 |
| 4 |
| 15 |
| a |
| b |
| a |
| b |
(1)写出a、b的值;
(2)求分式(
| a2 |
| a-b |
| b2 |
| b-a |
| a+b |
| ab |
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 |