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Урок 25
Author:
Marco
GeoGebra
New Resources
探究由平行線和截線所成的角
alg2_05_05_01_slider_practice_flvs
Poorly Drawn Parallelograms 3
alg2_05_05_01_applet_exp_2_flvs
Poorly Drawn Parallelograms
Discover Resources
Maddie_Meulemans_Qtr1project_01
Ndoye_B3_Translation
สื่อการบวกลบจำนวนเต็ม
'...in a square'
sum of angles of triangle