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放缩尺
Author:
萧若茂
放缩尺
GeoGebra
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柱體建築師
球体的体积推导(优化版)
【案例】2018年全国1卷理科12题
兩組對邊相等和有直角的四邊形
兩位數除以一位數(一)
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erwtewt
對稱及變換
縫衣針
时钟(序列文本)
斜率的值
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Mode
Integers
Trapezoid
Variance
Quadrilaterals