แอปเปิ้ลตัวผู้, ทาจิกิสถาน, เศษส่วน, บทคัดย่อ, คณิตศาสตร์, แบบแผน, เชิงปริมาณ, ฟิสิกส์, วิทยาศาสตร์ธรรมชาติ, แอปเปิ้ล, สีเขียว
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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