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6 câu trả lời 124
Xác định chữ số ở vị trí hàng trăm nghìn (vị trí thứ 6 từ phải qua) là 9.
Xem xét chữ số ngay sau đó, ở vị trí hàng chục nghìn (vị trí thứ 5 từ phải qua) là 4.
Vì chữ số ở hàng chục nghìn là 4 (nhỏ hơn 5), ta giữ nguyên chữ số ở hàng trăm nghìn và thay các chữ số phía sau thành 0.
Vậy, số 3,947,569 làm tròn đến hàng trăm nghìn là 3,900,000.
Xác định chữ số ở vị trí hàng trăm nghìn (vị trí thứ 6 từ phải qua) là 9.
Xem xét chữ số ngay sau đó, ở vị trí hàng chục nghìn (vị trí thứ 5 từ phải qua) là 4.
Vì chữ số ở hàng chục nghìn là 4 (nhỏ hơn 5), ta giữ nguyên chữ số ở hàng trăm nghìn và thay các chữ số phía sau thành 0.
Vậy, số 3,947,569 làm tròn đến hàng trăm nghìn là 3,900,000.
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Câu hỏi hot cùng chủ đề
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41447
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