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标题: ?×???????ò°ü???÷???? [打印本页]

作者: ???? 时间: 2007-11-5 01:43 标题: ?×???????ò°ü???÷????

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????cm*100m=0.6
48cm*182.5m=1.0
48cm*228.5m=1.2 ?????è??
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