定积分计算原理演示
2014-02-26 02:59
本范例直观演示了简单定积分的计算原理。通过动态调整区间分割数量，展示黎曼和（包括下和与上和）逐步逼近定积分值的过程，帮助学习者深入理解定积分的几何意义与极限思想。
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