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| 1. |
Q: The ratio of the radii of two wheels is 3: 4, then the ratio of their circumferences will be. |
| A. | 02:03:00 |
| B. | 04:03:00 |
| C. | 03:04:00 |
| D. | 03:05:00 |
| Answer» D. 03:05:00 | |