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先估算,後看解釋
Author:
Tse Sir
先估算,後看解釋
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兩組對邊相等和有直角的四邊形
畫出對稱圖形
【案例】圆柱体内放置一个大球六个小球
三位數除以一位數(二)
兩位數除以一位數(一)
Discover Resources
quadrilaterals 1
量角器
周界
Choose the most suitable 'improvised units'(中間人)
Parabola_Horizontal
Discover Topics
Dilation
Piecewise Functions
Distributions
Line Segment
Geometric Transformations