甲种茶叶每千克128元,乙种每千克98元。共买了两种茶叶12千克,买甲茶叶比乙茶叶少花4
开心果 发表于 匿名
发表于 2013-12-6 16:40:00
甲种茶叶每千克128元,乙种每千克98元。共买了两种茶叶12千克,买甲茶叶比乙茶叶少花46元,每种茶叶各买了多少千克用算式做 |
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82587.com
2013-12-6 16:54:50
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82587.com
2013-12-6 16:55:58
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82587.com
2013-12-6 17:00:04
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82587.com
2013-12-6 17:31:36
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82587.com
2013-12-6 17:33:15
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82587.com
2013-12-6 17:48:02
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