正负数加减法测验（二）
2020-08-18 16:55
本GeoGebra范例是一个交互式的正负数（有向数）加减法在线测验。系统通过随机函数自动生成带有正负号的加减法算术题，并提供虚拟数字键盘供学生输入答案。界面包含题目显示、答案输入框、提示按钮以及计分系统（统计正确与错误次数），并支持中英文双语切换。该课件旨在帮助学生通过互动练习熟练掌握有理数的加减运算规则，提升计算准确率。
GeoGebra 画板及绘图内容加载中，请稍等……
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