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1 900g - PowerPoint PPT Presentation

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??????????. ??????????. ????? 32.4 ? 400g; 67.1 ? 900g. 4 k 1 + 4 2/3 k 2 = 32.4 9 k 1 + 9 2/3 k 2 = 67.1 ?? : k 1 = 5.3791, k 2 = 4.3192 ?? : C(W)=5.3791 W + 4.3192 W 2/3 . ?? : W=1800, C(W) = 126.49. W=2500, C(W) = 154.36

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1 900g - PowerPoint PPT Presentation

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