350 90 @MRRTsaudiFB IG X VK RT RT
أكثر من 350 طالبا من 90 دولة يشاركون بأولمبياد الكيمياء بينهم طلاب من روسيا @MRRTsaudiFB IG X VK غرفةأخبارRT تقاريرRT أخبار
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