のようなYouTubeチャンネル كيمياء ثانوية عامة


20,400 3.54%

185,000 5.69%

3,210,000 2.78%

247,000 4.3%


364,000 3.05%

39,200 4.04%

1,540,000 2.64%


3,390,000 1.13%



141,000 2.08%

835,000 2.77%



476,000 5.21%



757,000 3.63%

5,630,000 6.58%

568,000 1.96%

1,330,000 3.39%