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七上第02章《有理数的运算》有理数加减乘口算训练器
Author:
赵朝东
GeoGebra
New Resources
祖冲之的期望：内棋与外棋
斜率的值
圓周公式的應用
兩位數加法
兩位數除以一位數（一）
Discover Resources
No.1
Copy of 劉徽的「割圓術」
建國國中第三次段考計算第二題
Copy of 信心水準與信賴區間
农大
Discover Topics
Histogram
Intersection
Median Line
Differential Calculus
Differential Equation