divided, แยก, bead, ลูกปัด, bracelet, สร้อยข้อมือ, same value, ค่าเท่ากัน, ones, หลักหน่วย, tens, หลักสิบ, represent, แทน, safety pin, เข็มกลัด, add up, เพิ่มขึ้น, standard form, รูปแบบมาตรฐาน

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