试题：
| 8九6九米=______千米&nbs6;&nbs6;&nbs6;&nbs6;&nbs6;&nbs6;&nbs6;&nbs6;&nbs6;&nbs6;&nbs6;&nbs6;&nbs6;&nbs6;&nbs6;&nbs6;&nbs6;&nbs6; 2.8米=______米______厘米． |
长度单位间的换算
2016-05-21
答案：
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