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(2010•新疆)甲、乙两位棉农种植的棉花,连续五年的单位面积产量(千克/亩)统...
(2010•新疆)甲、乙两位棉农种植的棉花,连续五年的单位面积产量(千克/亩)统计如下表,则产量较稳定的是棉农
.
棉农甲 | 68 | 70 | 72 | 69 | 71 |
棉农乙 | 69 | 71 | 71 | 69 | 70 |
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