题目内容
计算:
=______;若
=
,则
=______;
=______.
| 64 |
| a |
| b |
| 2 |
| 3 |
| 2a-b |
| b |
| 63 |
| 64 |
∵
| a |
| b |
| 2 |
| 3 |
∴设a=2k,b=3k,
∴
| 2a-b |
| b |
| 4k-3k |
| 3k |
| 1 |
| 3 |
| 63 |
| 7×32 |
| 7 |
故答案为:8,
| 1 |
| 3 |
| 7 |
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题目内容
| 64 |
| a |
| b |
| 2 |
| 3 |
| 2a-b |
| b |
| 63 |
| 64 |
| a |
| b |
| 2 |
| 3 |
| 2a-b |
| b |
| 4k-3k |
| 3k |
| 1 |
| 3 |
| 63 |
| 7×32 |
| 7 |
| 1 |
| 3 |
| 7 |