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1.所謂公式,我个人的领会是一致公認的算式之謂,此与統計之算不能混为一談,因为統計計算是不限水平完全可以灵活运用,只要与实际結果趨近就可以了。 2.“不同名數不能相加,名數除不名數等于名數,名數除名數等于不名數……等等,这是數学上最簡單的道理”的確。但最好这样說比較妥当,这是算術里有这样规定,因为數学並沒有这样刻板的规定,茲以我們最常用的压力与流速
1. The so-called formula, my personal understanding is consistent with the accepted formula that can not be confused with the statistics, because the statistical calculation is not limited to the level of flexibility can be fully used, as long as the actual results approach. 2. “The number of different names can not be added, the number of divisions is equal to the number of unnamed, the number of divisions is equal to the number of unknown ... ... and so on, which is the simplest mathematical truth” indeed. But it is better to say this more appropriately. This is the case in arithmetic. Because mathematics does not have such a rigid rule, it is based on our most commonly used pressure and flow rate