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Circle Area (By Peeling!)
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Author:
阮老师
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Circle Area (By Peeling!)
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Circle Area (By Peeling!)
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【案例】2018年全国1卷理科12题
四邉形 (四年級) 教師版
三位數除以一位數（二）
判斷球體
兩組對邊相等的四邊形
Discover Resources
方格紙上畫平行四邊形4
「相似三角形」任务5
波的干涉 Wave Interference
橢圓1--同心圓法
畫三角形 題1b 的複本
Discover Topics
Arithmetic
Linear Programming or Linear Optimization
Translation
Prism
LCM and GCD
