Two elements \( \mathrm{X} \) and \( \mathrm{Y} \) belong to the same period.
What is similarity... VIDEO
Two elements \( \mathrm{X} \) and \( \mathrm{Y} \) belong to the same period.https://bit.ly/YTAI_PWAP https://www.pw.live
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\begin{tabular}{|c|c|c|}
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