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凹面镜及凸面镜成像
Author:
ng jun kai
,
Tom Walsh
Move the tip of the Object arrow or the point labeled focus. Move the arrow to the right side of the mirror to get a convex mirror.
GeoGebra
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רישום חופשי
Untitled
Basic Percent Exercises (V2)
Flip 4 Coins
bewijs stelling van Pythagoras
Discover Resources
Cervo
Untitled
Balanced Expressions
"Unicode" character table
A.1.1.1 Which One doesn't belong
Discover Topics
Trapezium
Subtraction
Pie Chart or Circle Chart
Pythagoras or Pythagorean Theorem
Inequalities