正负数加减法测验（二）
2020-08-18 16:51
本GeoGebra范例是一个交互式的正负数（有向数）加减法测验工具。系统通过随机生成带有正负号的数字题目，让学生进行加减法运算练习。界面包含自定义的虚拟数字键盘（包括负号键、清除和确认按钮）、答题输入框、提示功能以及中英文语言切换按钮。系统会自动判断答案对错，记录正确与错误的次数，并提供相应的视觉反馈与得分统计，适合用于巩固基础算术运算能力。
GeoGebra 画板及绘图内容加载中，请稍等……
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