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加減乘除运算 出题器【有数字键盘】
Author:
啊K
Topic:
Arithmetic
,
Arithmetic Operations
GeoGebra
GeoGebra
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【案例】2018年全国1卷理科12题
三位數除以一位數（二）
漂亮的摇摆曲线
兩位數加法
【案例】圆柱体内放置一个大球六个小球
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concurrence of medians and bimedians of tetrahedron
[問題] a² + b² = 1, (c-4)² + (d-2)² = 5，求 ad - bc 最大值？
複合圖形(三)
柱體高度與體積
新店高中數學科
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Ratios
Trapezoid
Triangles
Polygons
Trigonometric Functions