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S0E02
Author:
张荣良
Topic:
Area
,
Right Triangles
GeoGebra
New Resources
三位數除以一位數(一)
異分母分數減法
三位數除以一位數(二)
四邊形的特性
拼砌四邊形
Discover Resources
四下_面積(一)(教師版)
Angle Sum in a Triangle
Brahmagupta 四邊形的構造方法
相似形的應用
somacube
Discover Topics
Distributions
Conic Sections
Frequency Distribution
Sine
Trigonometric Functions