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解三角形（１）
Author:
蔡永志
Topic:
Triangles
,
Trigonometry
解三角形
GeoGebra
New Resources
小数 的副本
近似值：有效數字
兩位數加法
兩組對邊相等和有直角的四邊形
【案例】2018年全国1卷理科12题
Discover Resources
已知橢圓 x^2/a^2+y^2/b^2=1 (a>b>0)
國道計程收費
Angle Sum in a Triangle
logx
a sin(bx+c) + d 的圖形的副本
Discover Topics
Curve Sketching
Cylinder
Solids or 3D Shapes
Division
General Quadrilateral