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估算也就是粗略的计算,其实质是一种有目的的、快速的近似计算.它的基本特点是在对所研究的问题的实质进行深刻理解的基础上,对问题中的数值做适当的扩大或缩小,从而对运算结果确定出一个大致范围,或做出一个估计.更本质的说,估算是一种数学意识,一种应用数学知识解决实际问题的意识,它是以正
The estimation is also a rough calculation. Its essence is a purposeful and rapid approximate calculation. Its basic characteristic is to properly expand the value of the problem on the basis of a deep understanding of the essence of the problem being studied. Or shrinking to determine an approximate range of the results of the calculation, or to make an estimate. More essentially, the estimate is a mathematical consciousness, a sense of applying mathematical knowledge to solve practical problems, it is