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数感是对数与数的关系的一种良好的直觉。也就是我们常常用会说的直觉思维,是一种给经过逐步分析,迅速对问题的答案做出合理的猜测、设想或突然顿悟的思维。它是由于自由联想或思维活动在有关某个问题的意识边缘持续活动,当脑功能处于最佳状态时,旧神经联结突然沟通形成新联系的表现。是平时生活经验的积累。我们在解一道数学难题时,花了很多时间不得其解,但是突然之间做出来了;遇到一个问题,有的人能迅速做出很好的判断、
Sense of number is a good intuition of the relationship between numbers and numbers. That is, what we often use to say intuitive thinking is a way of thinking, envisioning or sudden epiphany that gives us a step-by-step analysis of prompt answers to questions. It is due to the free association or thinking activity on the edge of the awareness of a problem continuing activities, when the brain function is in its best condition, the old neural connection sudden communication to form a new connection. It is the accumulation of daily life experience. When we solve a mathematical problem, we spend a lot of time thinking of it, but suddenly we do it. When we encounter a problem, some people can quickly make good judgments,