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තේමාව ගැන Youtube නාලිකා Optics

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416,000 4.69%

826,000 3.87%

112,000 3.43%

54,400 4.22%

62,000 3.93%

140,000 2.28%

2,100,000 3.71%

26,300 1.1%


12,600 0.91%

21,600 0.75%

48,400 0.74%


126,000 4.44%

41,300 0.44%

25,300 0.43%


5,390,000 3.07%

49,100 3.58%


164,000 2.09%

92,500 2.0%

47,000 2.28%

28,000 2.01%

11,300 6.13%


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